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how many hours of homework per night in high school

Students spend three times longer on homework than average, survey reveals

Sonya Kulkarni and Pallavi Gorantla | Jan 9, 2022

The+National+Education+Association+and+the+National+Parent+Teacher+Association+have+suggested+that+a+healthy+number+of+hours+that+students+should+be+spending+can+be+determined+by+the+10-minute+rule.+This+means+that+each+grade+level+should+have+a+maximum+homework+time+incrementing+by+10+minutes+depending+on+their+grade+level+%28for+instance%2C+ninth-graders+would+have+90+minutes+of+homework%2C+10th-graders+should+have+100+minutes%2C+and+so+on%29.

Graphic by Sonya Kulkarni

The National Education Association and the National Parent Teacher Association have suggested that a healthy number of hours that students should be spending can be determined by the “10-minute rule.” This means that each grade level should have a maximum homework time incrementing by 10 minutes depending on their grade level (for instance, ninth-graders would have 90 minutes of homework, 10th-graders should have 100 minutes, and so on).

As ‘finals week’ rapidly approaches, students not only devote effort to attaining their desired exam scores but make a last attempt to keep or change the grade they have for semester one by making up homework assignments.

High schoolers reported doing an average of 2.7 hours of homework per weeknight, according to a study by the Washington Post from 2018 to 2020 of over 50,000 individuals. A survey of approximately 200 Bellaire High School students revealed that some students spend over three times this number.

The demographics of this survey included 34 freshmen, 43 sophomores, 54 juniors and 54 seniors on average.

When asked how many hours students spent on homework in a day on average, answers ranged from zero to more than nine with an average of about four hours. In contrast, polled students said that about one hour of homework would constitute a healthy number of hours.

Junior Claire Zhang said she feels academically pressured in her AP schedule, but not necessarily by the classes.

“The class environment in AP classes can feel pressuring because everyone is always working hard and it makes it difficult to keep up sometimes.” Zhang said.

A total of 93 students reported that the minimum grade they would be satisfied with receiving in a class would be an A. This was followed by 81 students, who responded that a B would be the minimum acceptable grade. 19 students responded with a C and four responded with a D.

“I am happy with the classes I take, but sometimes it can be very stressful to try to keep up,” freshman Allyson Nguyen said. “I feel academically pressured to keep an A in my classes.”

Up to 152 students said that grades are extremely important to them, while 32 said they generally are more apathetic about their academic performance.

Last year, nine valedictorians graduated from Bellaire. They each achieved a grade point average of 5.0. HISD has never seen this amount of valedictorians in one school, and as of now there are 14 valedictorians.

“I feel that it does degrade the title of valedictorian because as long as a student knows how to plan their schedule accordingly and make good grades in the classes, then anyone can be valedictorian,” Zhang said.

Bellaire offers classes like physical education and health in the summer. These summer classes allow students to skip the 4.0 class and not put it on their transcript. Some electives also have a 5.0 grade point average like debate.

Close to 200 students were polled about Bellaire having multiple valedictorians. They primarily answered that they were in favor of Bellaire having multiple valedictorians, which has recently attracted significant acclaim .

Senior Katherine Chen is one of the 14 valedictorians graduating this year and said that she views the class of 2022 as having an extraordinary amount of extremely hardworking individuals.

“I think it was expected since freshman year since most of us knew about the others and were just focused on doing our personal best,” Chen said.

Chen said that each valedictorian achieved the honor on their own and deserves it.

“I’m honestly very happy for the other valedictorians and happy that Bellaire is such a good school,” Chen said. “I don’t feel any less special with 13 other valedictorians.”

Nguyen said that having multiple valedictorians shows just how competitive the school is.

“It’s impressive, yet scary to think about competing against my classmates,” Nguyen said.

Offering 30 AP classes and boasting a significant number of merit-based scholars Bellaire can be considered a competitive school.

“I feel academically challenged but not pressured,” Chen said. “Every class I take helps push me beyond my comfort zone but is not too much to handle.”

Students have the opportunity to have off-periods if they’ve met all their credits and are able to maintain a high level of academic performance. But for freshmen like Nguyen, off periods are considered a privilege. Nguyen said she usually has an hour to five hours worth of work everyday.

“Depending on the day, there can be a lot of work, especially with extra curriculars,” Nguyen said. “Although, I am a freshman, so I feel like it’s not as bad in comparison to higher grades.”

According to the survey of Bellaire students, when asked to evaluate their agreement with the statement “students who get better grades tend to be smarter overall than students who get worse grades,” responders largely disagreed.

Zhang said that for students on the cusp of applying to college, it can sometimes be hard to ignore the mental pressure to attain good grades.

“As a junior, it’s really easy to get extremely anxious about your GPA,” Zhang said. “It’s also a very common but toxic practice to determine your self-worth through your grades but I think that we just need to remember that our mental health should also come first. Sometimes, it’s just not the right day for everyone and one test doesn’t determine our smartness.”

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Anonymous • Jul 16, 2024 at 3:27 pm

didnt realy help

Anonymous • Nov 21, 2023 at 10:32 am

It’s not really helping me understand how much.

josh • May 9, 2023 at 9:58 am

Kassie • May 6, 2022 at 12:29 pm

Im using this for an English report. This is great because on of my sources needed to be from another student. Homework drives me insane. Im glad this is very updated too!!

Kaylee Swaim • Jan 25, 2023 at 9:21 pm

I am also using this for an English report. I have to do an argumentative essay about banning homework in schools and this helps sooo much!

Izzy McAvaney • Mar 15, 2023 at 6:43 pm

I am ALSO using this for an English report on cutting down school days, homework drives me insane!!

E. Elliott • Apr 25, 2022 at 6:42 pm

I’m from Louisiana and am actually using this for an English Essay thanks for the information it was very informative.

Nabila Wilson • Jan 10, 2022 at 6:56 pm

Interesting with the polls! I didn’t realize about 14 valedictorians, that’s crazy.

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More than two hours of homework may be counterproductive, research suggests.

Education scholar Denise Pope has found that too much homework has negative impacts on student well-being and behavioral engagement (Shutterstock)

A Stanford education researcher found that too much homework can negatively affect kids, especially their lives away from school, where family, friends and activities matter.   "Our findings on the effects of homework challenge the traditional assumption that homework is inherently good," wrote Denise Pope , a senior lecturer at the Stanford Graduate School of Education and a co-author of a study published in the Journal of Experimental Education .   The researchers used survey data to examine perceptions about homework, student well-being and behavioral engagement in a sample of 4,317 students from 10 high-performing high schools in upper-middle-class California communities. Along with the survey data, Pope and her colleagues used open-ended answers to explore the students' views on homework.   Median household income exceeded $90,000 in these communities, and 93 percent of the students went on to college, either two-year or four-year.   Students in these schools average about 3.1 hours of homework each night.   "The findings address how current homework practices in privileged, high-performing schools sustain students' advantage in competitive climates yet hinder learning, full engagement and well-being," Pope wrote.   Pope and her colleagues found that too much homework can diminish its effectiveness and even be counterproductive. They cite prior research indicating that homework benefits plateau at about two hours per night, and that 90 minutes to two and a half hours is optimal for high school.   Their study found that too much homework is associated with:   • Greater stress : 56 percent of the students considered homework a primary source of stress, according to the survey data. Forty-three percent viewed tests as a primary stressor, while 33 percent put the pressure to get good grades in that category. Less than 1 percent of the students said homework was not a stressor.   • Reductions in health : In their open-ended answers, many students said their homework load led to sleep deprivation and other health problems. The researchers asked students whether they experienced health issues such as headaches, exhaustion, sleep deprivation, weight loss and stomach problems.   • Less time for friends, family and extracurricular pursuits : Both the survey data and student responses indicate that spending too much time on homework meant that students were "not meeting their developmental needs or cultivating other critical life skills," according to the researchers. Students were more likely to drop activities, not see friends or family, and not pursue hobbies they enjoy.   A balancing act   The results offer empirical evidence that many students struggle to find balance between homework, extracurricular activities and social time, the researchers said. Many students felt forced or obligated to choose homework over developing other talents or skills.   Also, there was no relationship between the time spent on homework and how much the student enjoyed it. The research quoted students as saying they often do homework they see as "pointless" or "mindless" in order to keep their grades up.   "This kind of busy work, by its very nature, discourages learning and instead promotes doing homework simply to get points," said Pope, who is also a co-founder of Challenge Success , a nonprofit organization affiliated with the GSE that conducts research and works with schools and parents to improve students' educational experiences..   Pope said the research calls into question the value of assigning large amounts of homework in high-performing schools. Homework should not be simply assigned as a routine practice, she said.   "Rather, any homework assigned should have a purpose and benefit, and it should be designed to cultivate learning and development," wrote Pope.   High-performing paradox   In places where students attend high-performing schools, too much homework can reduce their time to foster skills in the area of personal responsibility, the researchers concluded. "Young people are spending more time alone," they wrote, "which means less time for family and fewer opportunities to engage in their communities."   Student perspectives   The researchers say that while their open-ended or "self-reporting" methodology to gauge student concerns about homework may have limitations – some might regard it as an opportunity for "typical adolescent complaining" – it was important to learn firsthand what the students believe.   The paper was co-authored by Mollie Galloway from Lewis and Clark College and Jerusha Conner from Villanova University.

Clifton B. Parker is a writer at the Stanford News Service .

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11 Surprising Homework Statistics, Facts & Data

11 Surprising Homework Statistics, Facts & Data

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

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homework pros and cons

The age-old question of whether homework is good or bad for students is unanswerable because there are so many “ it depends ” factors.

For example, it depends on the age of the child, the type of homework being assigned, and even the child’s needs.

There are also many conflicting reports on whether homework is good or bad. This is a topic that largely relies on data interpretation for the researcher to come to their conclusions.

To cut through some of the fog, below I’ve outlined some great homework statistics that can help us understand the effects of homework on children.

Homework Statistics List

1. 45% of parents think homework is too easy for their children.

A study by the Center for American Progress found that parents are almost twice as likely to believe their children’s homework is too easy than to disagree with that statement.

Here are the figures for math homework:

  • 46% of parents think their child’s math homework is too easy.
  • 25% of parents think their child’s math homework is not too easy.
  • 29% of parents offered no opinion.

Here are the figures for language arts homework:

  • 44% of parents think their child’s language arts homework is too easy.
  • 28% of parents think their child’s language arts homework is not too easy.
  • 28% of parents offered no opinion.

These findings are based on online surveys of 372 parents of school-aged children conducted in 2018.

2. 93% of Fourth Grade Children Worldwide are Assigned Homework

The prestigious worldwide math assessment Trends in International Maths and Science Study (TIMSS) took a survey of worldwide homework trends in 2007. Their study concluded that 93% of fourth-grade children are regularly assigned homework, while just 7% never or rarely have homework assigned.

3. 17% of Teens Regularly Miss Homework due to Lack of High-Speed Internet Access

A 2018 Pew Research poll of 743 US teens found that 17%, or almost 2 in every 5 students, regularly struggled to complete homework because they didn’t have reliable access to the internet.

This figure rose to 25% of Black American teens and 24% of teens whose families have an income of less than $30,000 per year.

4. Parents Spend 6.7 Hours Per Week on their Children’s Homework

A 2018 study of 27,500 parents around the world found that the average amount of time parents spend on homework with their child is 6.7 hours per week. Furthermore, 25% of parents spend more than 7 hours per week on their child’s homework.

American parents spend slightly below average at 6.2 hours per week, while Indian parents spend 12 hours per week and Japanese parents spend 2.6 hours per week.

5. Students in High-Performing High Schools Spend on Average 3.1 Hours per night Doing Homework

A study by Galloway, Conner & Pope (2013) conducted a sample of 4,317 students from 10 high-performing high schools in upper-middle-class California. 

Across these high-performing schools, students self-reported that they did 3.1 hours per night of homework.

Graduates from those schools also ended up going on to college 93% of the time.

6. One to Two Hours is the Optimal Duration for Homework

A 2012 peer-reviewed study in the High School Journal found that students who conducted between one and two hours achieved higher results in tests than any other group.

However, the authors were quick to highlight that this “t is an oversimplification of a much more complex problem.” I’m inclined to agree. The greater variable is likely the quality of the homework than time spent on it.

Nevertheless, one result was unequivocal: that some homework is better than none at all : “students who complete any amount of homework earn higher test scores than their peers who do not complete homework.”

7. 74% of Teens cite Homework as a Source of Stress

A study by the Better Sleep Council found that homework is a source of stress for 74% of students. Only school grades, at 75%, rated higher in the study.

That figure rises for girls, with 80% of girls citing homework as a source of stress.

Similarly, the study by Galloway, Conner & Pope (2013) found that 56% of students cite homework as a “primary stressor” in their lives.

8. US Teens Spend more than 15 Hours per Week on Homework

The same study by the Better Sleep Council also found that US teens spend over 2 hours per school night on homework, and overall this added up to over 15 hours per week.

Surprisingly, 4% of US teens say they do more than 6 hours of homework per night. That’s almost as much homework as there are hours in the school day.

The only activity that teens self-reported as doing more than homework was engaging in electronics, which included using phones, playing video games, and watching TV.

9. The 10-Minute Rule

The National Education Association (USA) endorses the concept of doing 10 minutes of homework per night per grade.

For example, if you are in 3rd grade, you should do 30 minutes of homework per night. If you are in 4th grade, you should do 40 minutes of homework per night.

However, this ‘rule’ appears not to be based in sound research. Nevertheless, it is true that homework benefits (no matter the quality of the homework) will likely wane after 2 hours (120 minutes) per night, which would be the NEA guidelines’ peak in grade 12.

10. 21.9% of Parents are Too Busy for their Children’s Homework

An online poll of nearly 300 parents found that 21.9% are too busy to review their children’s homework. On top of this, 31.6% of parents do not look at their children’s homework because their children do not want their help. For these parents, their children’s unwillingness to accept their support is a key source of frustration.

11. 46.5% of Parents find Homework too Hard

The same online poll of parents of children from grades 1 to 12 also found that many parents struggle to help their children with homework because parents find it confusing themselves. Unfortunately, the study did not ask the age of the students so more data is required here to get a full picture of the issue.

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Interpreting the Data

Unfortunately, homework is one of those topics that can be interpreted by different people pursuing differing agendas. All studies of homework have a wide range of variables, such as:

  • What age were the children in the study?
  • What was the homework they were assigned?
  • What tools were available to them?
  • What were the cultural attitudes to homework and how did they impact the study?
  • Is the study replicable?

The more questions we ask about the data, the more we realize that it’s hard to come to firm conclusions about the pros and cons of homework .

Furthermore, questions about the opportunity cost of homework remain. Even if homework is good for children’s test scores, is it worthwhile if the children consequently do less exercise or experience more stress?

Thus, this ends up becoming a largely qualitative exercise. If parents and teachers zoom in on an individual child’s needs, they’ll be able to more effectively understand how much homework a child needs as well as the type of homework they should be assigned.

Related: Funny Homework Excuses

The debate over whether homework should be banned will not be resolved with these homework statistics. But, these facts and figures can help you to pursue a position in a school debate on the topic – and with that, I hope your debate goes well and you develop some great debating skills!

Chris

  • Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 25 Number Games for Kids (Free and Easy)
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  • Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 50 Incentives to Give to Students

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Adolescent girl doing homework.

What’s the Right Amount of Homework?

Decades of research show that homework has some benefits, especially for students in middle and high school—but there are risks to assigning too much.

Many teachers and parents believe that homework helps students build study skills and review concepts learned in class. Others see homework as disruptive and unnecessary, leading to burnout and turning kids off to school. Decades of research show that the issue is more nuanced and complex than most people think: Homework is beneficial, but only to a degree. Students in high school gain the most, while younger kids benefit much less.

The National PTA and the National Education Association support the “ 10-minute homework guideline ”—a nightly 10 minutes of homework per grade level. But many teachers and parents are quick to point out that what matters is the quality of the homework assigned and how well it meets students’ needs, not the amount of time spent on it.

The guideline doesn’t account for students who may need to spend more—or less—time on assignments. In class, teachers can make adjustments to support struggling students, but at home, an assignment that takes one student 30 minutes to complete may take another twice as much time—often for reasons beyond their control. And homework can widen the achievement gap, putting students from low-income households and students with learning disabilities at a disadvantage.

However, the 10-minute guideline is useful in setting a limit: When kids spend too much time on homework, there are real consequences to consider.

Small Benefits for Elementary Students

As young children begin school, the focus should be on cultivating a love of learning, and assigning too much homework can undermine that goal. And young students often don’t have the study skills to benefit fully from homework, so it may be a poor use of time (Cooper, 1989 ; Cooper et al., 2006 ; Marzano & Pickering, 2007 ). A more effective activity may be nightly reading, especially if parents are involved. The benefits of reading are clear: If students aren’t proficient readers by the end of third grade, they’re less likely to succeed academically and graduate from high school (Fiester, 2013 ).

For second-grade teacher Jacqueline Fiorentino, the minor benefits of homework did not outweigh the potential drawback of turning young children against school at an early age, so she experimented with dropping mandatory homework. “Something surprising happened: They started doing more work at home,” Fiorentino writes . “This inspiring group of 8-year-olds used their newfound free time to explore subjects and topics of interest to them.” She encouraged her students to read at home and offered optional homework to extend classroom lessons and help them review material.

Moderate Benefits for Middle School Students

As students mature and develop the study skills necessary to delve deeply into a topic—and to retain what they learn—they also benefit more from homework. Nightly assignments can help prepare them for scholarly work, and research shows that homework can have moderate benefits for middle school students (Cooper et al., 2006 ). Recent research also shows that online math homework, which can be designed to adapt to students’ levels of understanding, can significantly boost test scores (Roschelle et al., 2016 ).

There are risks to assigning too much, however: A 2015 study found that when middle school students were assigned more than 90 to 100 minutes of daily homework, their math and science test scores began to decline (Fernández-Alonso, Suárez-Álvarez, & Muñiz, 2015 ). Crossing that upper limit can drain student motivation and focus. The researchers recommend that “homework should present a certain level of challenge or difficulty, without being so challenging that it discourages effort.” Teachers should avoid low-effort, repetitive assignments, and assign homework “with the aim of instilling work habits and promoting autonomous, self-directed learning.”

In other words, it’s the quality of homework that matters, not the quantity. Brian Sztabnik, a veteran middle and high school English teacher, suggests that teachers take a step back and ask themselves these five questions :

  • How long will it take to complete?
  • Have all learners been considered?
  • Will an assignment encourage future success?
  • Will an assignment place material in a context the classroom cannot?
  • Does an assignment offer support when a teacher is not there?

More Benefits for High School Students, but Risks as Well

By the time they reach high school, students should be well on their way to becoming independent learners, so homework does provide a boost to learning at this age, as long as it isn’t overwhelming (Cooper et al., 2006 ; Marzano & Pickering, 2007 ). When students spend too much time on homework—more than two hours each night—it takes up valuable time to rest and spend time with family and friends. A 2013 study found that high school students can experience serious mental and physical health problems, from higher stress levels to sleep deprivation, when assigned too much homework (Galloway, Conner, & Pope, 2013 ).

Homework in high school should always relate to the lesson and be doable without any assistance, and feedback should be clear and explicit.

Teachers should also keep in mind that not all students have equal opportunities to finish their homework at home, so incomplete homework may not be a true reflection of their learning—it may be more a result of issues they face outside of school. They may be hindered by issues such as lack of a quiet space at home, resources such as a computer or broadband connectivity, or parental support (OECD, 2014 ). In such cases, giving low homework scores may be unfair.

Since the quantities of time discussed here are totals, teachers in middle and high school should be aware of how much homework other teachers are assigning. It may seem reasonable to assign 30 minutes of daily homework, but across six subjects, that’s three hours—far above a reasonable amount even for a high school senior. Psychologist Maurice Elias sees this as a common mistake: Individual teachers create homework policies that in aggregate can overwhelm students. He suggests that teachers work together to develop a school-wide homework policy and make it a key topic of back-to-school night and the first parent-teacher conferences of the school year.

Parents Play a Key Role

Homework can be a powerful tool to help parents become more involved in their child’s learning (Walker et al., 2004 ). It can provide insights into a child’s strengths and interests, and can also encourage conversations about a child’s life at school. If a parent has positive attitudes toward homework, their children are more likely to share those same values, promoting academic success.

But it’s also possible for parents to be overbearing, putting too much emphasis on test scores or grades, which can be disruptive for children (Madjar, Shklar, & Moshe, 2015 ). Parents should avoid being overly intrusive or controlling—students report feeling less motivated to learn when they don’t have enough space and autonomy to do their homework (Orkin, May, & Wolf, 2017 ; Patall, Cooper, & Robinson, 2008 ; Silinskas & Kikas, 2017 ). So while homework can encourage parents to be more involved with their kids, it’s important to not make it a source of conflict.

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Homework in High School: How Much Is Too Much?

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It’s not hard to find a high school student who is stressed about homework. Many are stressed to the max–juggling extracurricular activities, jobs, and family responsibilities. It can be hard for many students, particularly low-income students, to find the time to dedicate to homework. So students in the PBS NewsHour Student Reporting Labs program at YouthBeat in Oakland, California are asking what’s a fair amount of homework for high school students?

TEACHERS: Guide your students to practice civil discourse about current topics and get practice writing CER (claim, evidence, reasoning) responses.  Explore lesson supports.

Is homework beneficial to students?

The homework debate has been going on for years. There’s a big body of research that shows that homework can have a positive impact on academic performance. It can also help students prepare for the academic rigors of college.

Does homework hurt students?

Some research suggests that homework is only beneficial up to a certain point. Too much homework can lead to compromised health and greater stress in students. Many students, particularly low-income students, can struggle to find the time to do homework, especially if they are working jobs after school or taking care of family members. Some students might not have access to technology, like computers or the internet, that are needed to complete assignments at home– which can make completing assignments even more challenging. Many argue that this contributes to inequity in education– particularly if completing homework is linked to better academic performance.

How much homework should students get?

Based on research, the National Education Association recommends the 10-minute rule stating students should receive 10 minutes of homework per grade per night. But opponents to homework point out that for seniors that’s still 2 hours of homework which can be a lot for students with conflicting obligations. And in reality, high school students say it can be tough for teachers to coordinate their homework assignments since students are taking a variety of different classes. Some people advocate for eliminating homework altogether.

Edweek: How Much Homework Is Enough? Depends Who You Ask

Business Insider: Here’s How Homework Differs Around the World

Review of Educational Research: Does Homework Improve Academic Achievement? A Synthesis of Research, 1987-2003

Phys.org: Study suggests more than two hours of homework a night may be counterproductive

The Journal of Experimental Education: Nonacademic Effects of Homework in Privileged, High-Performing High Schools

National Education Association: Research Spotlight on Homework NEA Reviews of the Research on Best Practices in Education

The Atlantic: Who Does Homework Work For?

Center for Public Education: What research says about the value of homework: Research review

Time: Opinion: Why I think All Schools Should Abolish Homework

The Atlantic: A Teacher’s Defense of Homework

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Does homework really work?

by: Leslie Crawford | Updated: December 12, 2023

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Does homework help

You know the drill. It’s 10:15 p.m., and the cardboard-and-toothpick Golden Gate Bridge is collapsing. The pages of polynomials have been abandoned. The paper on the Battle of Waterloo seems to have frozen in time with Napoleon lingering eternally over his breakfast at Le Caillou. Then come the tears and tantrums — while we parents wonder, Does the gain merit all this pain? Is this just too much homework?

However the drama unfolds night after night, year after year, most parents hold on to the hope that homework (after soccer games, dinner, flute practice, and, oh yes, that childhood pastime of yore known as playing) advances their children academically.

But what does homework really do for kids? Is the forest’s worth of book reports and math and spelling sheets the average American student completes in their 12 years of primary schooling making a difference? Or is it just busywork?

Homework haterz

Whether or not homework helps, or even hurts, depends on who you ask. If you ask my 12-year-old son, Sam, he’ll say, “Homework doesn’t help anything. It makes kids stressed-out and tired and makes them hate school more.”

Nothing more than common kid bellyaching?

Maybe, but in the fractious field of homework studies, it’s worth noting that Sam’s sentiments nicely synopsize one side of the ivory tower debate. Books like The End of Homework , The Homework Myth , and The Case Against Homework the film Race to Nowhere , and the anguished parent essay “ My Daughter’s Homework is Killing Me ” make the case that homework, by taking away precious family time and putting kids under unneeded pressure, is an ineffective way to help children become better learners and thinkers.

One Canadian couple took their homework apostasy all the way to the Supreme Court of Canada. After arguing that there was no evidence that it improved academic performance, they won a ruling that exempted their two children from all homework.

So what’s the real relationship between homework and academic achievement?

How much is too much?

To answer this question, researchers have been doing their homework on homework, conducting and examining hundreds of studies. Chris Drew Ph.D., founder and editor at The Helpful Professor recently compiled multiple statistics revealing the folly of today’s after-school busy work. Does any of the data he listed below ring true for you?

• 45 percent of parents think homework is too easy for their child, primarily because it is geared to the lowest standard under the Common Core State Standards .

• 74 percent of students say homework is a source of stress , defined as headaches, exhaustion, sleep deprivation, weight loss, and stomach problems.

• Students in high-performing high schools spend an average of 3.1 hours a night on homework , even though 1 to 2 hours is the optimal duration, according to a peer-reviewed study .

Not included in the list above is the fact many kids have to abandon activities they love — like sports and clubs — because homework deprives them of the needed time to enjoy themselves with other pursuits.

Conversely, The Helpful Professor does list a few pros of homework, noting it teaches discipline and time management, and helps parents know what’s being taught in the class.

The oft-bandied rule on homework quantity — 10 minutes a night per grade (starting from between 10 to 20 minutes in first grade) — is listed on the National Education Association’s website and the National Parent Teacher Association’s website , but few schools follow this rule.

Do you think your child is doing excessive homework? Harris Cooper Ph.D., author of a meta-study on homework , recommends talking with the teacher. “Often there is a miscommunication about the goals of homework assignments,” he says. “What appears to be problematic for kids, why they are doing an assignment, can be cleared up with a conversation.” Also, Cooper suggests taking a careful look at how your child is doing the assignments. It may seem like they’re taking two hours, but maybe your child is wandering off frequently to get a snack or getting distracted.

Less is often more

If your child is dutifully doing their work but still burning the midnight oil, it’s worth intervening to make sure your child gets enough sleep. A 2012 study of 535 high school students found that proper sleep may be far more essential to brain and body development.

For elementary school-age children, Cooper’s research at Duke University shows there is no measurable academic advantage to homework. For middle-schoolers, Cooper found there is a direct correlation between homework and achievement if assignments last between one to two hours per night. After two hours, however, achievement doesn’t improve. For high schoolers, Cooper’s research suggests that two hours per night is optimal. If teens have more than two hours of homework a night, their academic success flatlines. But less is not better. The average high school student doing homework outperformed 69 percent of the students in a class with no homework.

Many schools are starting to act on this research. A Florida superintendent abolished homework in her 42,000 student district, replacing it with 20 minutes of nightly reading. She attributed her decision to “ solid research about what works best in improving academic achievement in students .”

More family time

A 2020 survey by Crayola Experience reports 82 percent of children complain they don’t have enough quality time with their parents. Homework deserves much of the blame. “Kids should have a chance to just be kids and do things they enjoy, particularly after spending six hours a day in school,” says Alfie Kohn, author of The Homework Myth . “It’s absurd to insist that children must be engaged in constructive activities right up until their heads hit the pillow.”

By far, the best replacement for homework — for both parents and children — is bonding, relaxing time together.

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How much time should you spend studying? Our ‘Goldilocks Day’ tool helps find the best balance of good grades and  well-being

how many hours of homework per night in high school

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how many hours of homework per night in high school

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Dot Dumuid is supported by an Australian National Health and Medical Research Council (NHMRC) Early Career Fellowship GNT1162166 and by the Centre of Research Excellence in Driving Global Investment in Adolescent Health funded by NHMRC GNT1171981.

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For students, as for all of us, life is a matter of balance, trade-offs and compromise. Studying for hours on end is unlikely to lead to best academic results. And it could have negative impacts on young people’s physical, mental and social well-being.

Our recent study found the best way for young people to spend their time was different for mental health than for physical health, and even more different for school-related outcomes. Students needed to spend more time sitting for best cognitive and academic performance, but physical activity trumped sitting time for best physical health. For best mental health, longer sleep time was most important.

It’s like a game of rock, paper, scissors with time use. So, what is the sweet spot, or as Goldilocks put it, the “just right” amount of study?

Read more: Back to school: how to help your teen get enough sleep

Using our study data for Australian children aged 11 and 12, we are developing a time-optimisation tool that allows the user to define their own mental, physical and cognitive health priorities. Once the priorities are set, the tool provides real-time updates on what the user’s estimated “Goldilocks day” looks like.

Stylised dial set between 'too little' and 'too much' to achieve 'perfect balance'.

More study improves grades, but not as much as you think

Over 30 years of research shows that students doing more homework get better grades. However, extra study doesn’t make as much difference as people think. An American study found the average grades of high school boys increased by only about 1.5 percentage points for every extra hour of homework per school night.

What these sorts of studies don’t consider is that the relationship between time spent doing homework and academic achievement is unlikely to be linear. A high school boy doing an extra ten hours of homework per school night is unlikely to improve his grades by 15 percentage points.

There is a simple explanation for this: doing an extra ten hours of homework after school would mean students couldn’t go to bed until the early hours of the morning. Even if they could manage this for one day, it would be unsustainable over a week, let alone a month. In any case, adequate sleep is probably critical for memory consolidation .

Read more: What's the point of homework?

As we all know, there are only 24 hours in a day. Students can’t devote more time to study without taking this time from other parts of their day. Excessive studying may become detrimental to learning ability when too much sleep time is lost.

Another US study found that, regardless of how long a student normally spent studying, sacrificing sleep to fit in more study led to learning problems on the following day. Among year 12s, cramming in an extra three hours of study almost doubled their academic problems. For example, students reported they “did not understand something taught in class” or “did poorly on a test, quiz or homework”.

Excessive study could also become unhelpful if it means students don’t have time to exercise. We know exercise is important for young people’s cognition , particularly their creative thinking, working memory and concentration.

On the one hand, then, more time spent studying is beneficial for grades. On the other hand, too much time spent studying is detrimental to grades.

We have to make trade-offs

Of course, how young people spend their time is not only important to their academic performance, but also to their health. Because what is the point of optimising school grades if it means compromising physical, mental and social well-being? And throwing everything at academic performance means other aspects of health will suffer.

US sleep researchers found the ideal amount of sleep for for 15-year-old boys’ mental health was 8 hours 45 minutes a night, but for the best school results it was one hour less.

Clearly, to find the “Goldilocks Zone” – the optimal balance of study, exercise and sleep – we need to think about more than just school grades and academic achievement.

Read more: 'It was the best five years of my life!' How sports programs are keeping disadvantaged teens at school

Looking for the Goldilocks Day

Based on our study findings , we realised the “Goldilocks Day” that was the best on average for all three domains of health (mental, physical and cognitive) would require compromises. Our optimisation algorithm estimated the Goldilocks Day with the best overall compromise for 11-to-12-year-olds. The breakdown was roughly:

10.5 hours of sleep

9.5 hours of sedentary behaviour (such as sitting to study, chill out, eat and watch TV)

2.5 hours of light physical activity (chores, shopping)

1.5 hours of moderate-to-vigorous physical activity (sport, running).

We also recognised that people – or the same people at different times — have different priorities. Around exam time, academic performance may become someone’s highest priority. They may then wish to manage their time in a way that leads to better study results, but without completely neglecting their mental or physical health.

To better explore these trade-offs, we developed our time-use optimisation tool based on Australian data . Although only an early prototype, the tool shows there is no “one size fits all” solution to how young people should be spending their time. However, we can be confident the best solutions will involve a healthy balance across multiple daily activities.

Just like we talk about the benefits of a balanced diet, we should start talking about the benefits of balanced time use. The better equipped young people and those supporting them are to find their optimal daily balance of sleep, sedentary behaviours and physical activities, the better their learning outcomes will be, without compromising their health and well-being.

  • Mental health
  • Physical activity
  • Children's mental health
  • Children and sleep
  • Children's well-being
  • children's physical health
  • Sleep research

how many hours of homework per night in high school

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How Much Homework Do American Kids Do?

Various factors, from the race of the student to the number of years a teacher has been in the classroom, affect a child's homework load.

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In his Atlantic essay , Karl Taro Greenfeld laments his 13-year-old daughter's heavy homework load. As an eighth grader at a New York middle school, Greenfeld’s daughter averaged about three hours of homework per night and adopted mantras like “memorization, not rationalization” to help her get it all done. Tales of the homework-burdened American student have become common, but are these stories the exception or the rule?

A 2007 Metlife study found that 45 percent of students in grades three to 12 spend more than an hour a night doing homework, including the six percent of students who report spending more than three hours a night on their homework. In the 2002-2003 school year, a study out of the University of Michigan found that American students ages six through 17 spent three hours and 38 minutes per week doing homework.

A range of factors plays into how much homework each individual student gets:

Older students do more homework than their younger counterparts.

This one is fairly obvious: The National Education Association recommends that homework time increase by ten minutes per year in school. (e.g., A third grader would have 30 minutes of homework, while a seventh grader would have 70 minutes).

Studies have found that schools tend to roughly follow these guidelines: The University of Michigan found that students ages six to eight spend 29 minutes doing homework per night while 15- to 17-year-old students spend 50 minutes doing homework. The Metlife study also found that 50 percent of students in grades seven to 12 spent more than an hour a night on homework, while 37 percent of students in grades three to six spent an hour or more on their homework per night. The National Center for Educational Statistics found that high school students who do homework outside of school average 6.8 hours of homework per week.

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Race plays a role in how much homework students do.

Asian students spend 3.5 more hours on average doing homework per week than their white peers. However, only 59 percent of Asian students’ parents check that homework is done, while 75.6 percent of Hispanic students’ parents and 83.1 percent of black students’ parents check.

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Teachers with less experience assign more homework.

The Metlife study found that 14 percent of teachers with zero to five years of teaching experience assigned more than an hour of homework per night, while only six percent of teachers with 21 or more years of teaching experience assigned over an hour of homework.

[IMAGE DESCRIPTION]

Math classes have homework the most frequently.

The Metlife study found that 70 percent of students in grades three to 12 had at least one homework assignment in math. Sixty-two percent had at least one homework assignment in a language arts class (English, reading, spelling, or creative writing courses) and 42 percent had at least one in a science class.

Regardless of how much homework kids are actually doing every night, most parents and teachers are happy with the way things are: 60 percent of parents think that their children have the “right amount of homework,” and 73 percent of teachers think their school assigns the right amount of homework.

Students, however, are not necessarily on board: 38 percent of students in grades seven through 12 and 28 percent of students in grades three through six report being “very often/often” stressed out by their homework.

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Editor’s note: This is an adapted excerpt from You, Your Child, and School: Navigate Your Way to the Best Education ( Viking)—the latest book by author and speaker Sir Ken Robinson (co-authored with Lou Aronica), published in March. For years, Robinson has been known for his radical work on rekindling creativity and passion in schools, including three bestselling books (also with Aronica) on the topic. His TED Talk “Do Schools Kill Creativity?” holds the record for the most-viewed TED talk of all time, with more than 50 million views. While Robinson’s latest book is geared toward parents, it also offers educators a window into the kinds of education concerns parents have for their children, including on the quality and quantity of homework.

The amount of homework young people are given varies a lot from school to school and from grade to grade. In some schools and grades, children have no homework at all. In others, they may have 18 hours or more of homework every week. In the United States, the accepted guideline, which is supported by both the National Education Association and the National Parent Teacher Association, is the 10-minute rule: Children should have no more than 10 minutes of homework each day for each grade reached. In 1st grade, children should have 10 minutes of daily homework; in 2nd grade, 20 minutes; and so on to the 12th grade, when on average they should have 120 minutes of homework each day, which is about 10 hours a week. It doesn’t always work out that way.

In 2013, the University of Phoenix College of Education commissioned a survey of how much homework teachers typically give their students. From kindergarten to 5th grade, it was just under three hours per week; from 6th to 8th grade, it was 3.2 hours; and from 9th to 12th grade, it was 3.5 hours.

There are two points to note. First, these are the amounts given by individual teachers. To estimate the total time children are expected to spend on homework, you need to multiply these hours by the number of teachers they work with. High school students who work with five teachers in different curriculum areas may find themselves with 17.5 hours or more of homework a week, which is the equivalent of a part-time job. The other factor is that these are teachers’ estimates of the time that homework should take. The time that individual children spend on it will be more or less than that, according to their abilities and interests. One child may casually dash off a piece of homework in half the time that another will spend laboring through in a cold sweat.

Do students have more homework these days than previous generations? Given all the variables, it’s difficult to say. Some studies suggest they do. In 2007, a study from the National Center for Education Statistics found that, on average, high school students spent around seven hours a week on homework. A similar study in 1994 put the average at less than five hours a week. Mind you, I [Robinson] was in high school in England in the 1960s and spent a lot more time than that—though maybe that was to do with my own ability. One way of judging this is to look at how much homework your own children are given and compare it to what you had at the same age.

Many parents find it difficult to help their children with subjects they’ve not studied themselves for a long time, if at all.

There’s also much debate about the value of homework. Supporters argue that it benefits children, teachers, and parents in several ways:

  • Children learn to deepen their understanding of specific content, to cover content at their own pace, to become more independent learners, to develop problem-solving and time-management skills, and to relate what they learn in school to outside activities.
  • Teachers can see how well their students understand the lessons; evaluate students’ individual progress, strengths, and weaknesses; and cover more content in class.
  • Parents can engage practically in their children’s education, see firsthand what their children are being taught in school, and understand more clearly how they’re getting on—what they find easy and what they struggle with in school.

Want to know more about Sir Ken Robinson? Check out our Q&A with him.

Q&A With Sir Ken Robinson

Ashley Norris is assistant dean at the University of Phoenix College of Education. Commenting on her university’s survey, she says, “Homework helps build confidence, responsibility, and problem-solving skills that can set students up for success in high school, college, and in the workplace.”

That may be so, but many parents find it difficult to help their children with subjects they’ve not studied themselves for a long time, if at all. Families have busy lives, and it can be hard for parents to find time to help with homework alongside everything else they have to cope with. Norris is convinced it’s worth the effort, especially, she says, because in many schools, the nature of homework is changing. One influence is the growing popularity of the so-called flipped classroom.

In the stereotypical classroom, the teacher spends time in class presenting material to the students. Their homework consists of assignments based on that material. In the flipped classroom, the teacher provides the students with presentational materials—videos, slides, lecture notes—which the students review at home and then bring questions and ideas to school where they work on them collaboratively with the teacher and other students. As Norris notes, in this approach, homework extends the boundaries of the classroom and reframes how time in school can be used more productively, allowing students to “collaborate on learning, learn from each other, maybe critique [each other’s work], and share those experiences.”

Even so, many parents and educators are increasingly concerned that homework, in whatever form it takes, is a bridge too far in the pressured lives of children and their families. It takes away from essential time for their children to relax and unwind after school, to play, to be young, and to be together as a family. On top of that, the benefits of homework are often asserted, but they’re not consistent, and they’re certainly not guaranteed.

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How Much Homework Should Students Have?

A look at how homework impacts students

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Parents have been questioning the excessive amount of homework given in schools, both public and private for years, and believe it or not, there is evidence that supports limiting the amount of homework children have can actually be beneficial. The National Education Association (NEA) has released guidelines about the right amount of homework--the amount that helps kids learn without getting in the way of their developing other parts of their life.

Many experts believe that students should receive roughly 10 minutes per night of homework in the first grade and an additional 10 minutes per grade for each following year. By this standard, high school seniors should have about 120 minutes or two hours of homework a night, but some students have two hours of work in middle school and many more hours than that in high school, particularly if they are enrolled in Advanced or AP classes.

However, schools are starting to change their policies on homework. While some schools equate excessive homework with excellence, and it is true that students benefit from some work at home to learn new material or to practice what they have learned in school, that's not the case with all schools. Flipped classrooms, real-world learning projects and changes in our understanding of how children and teenagers learn best has all forced schools to evaluate levels of homework.

Homework Needs to be Purposeful

Fortunately, most teachers today recognize that homework isn't always necessary, and the stigma that many teachers once faced if they didn't assign what was simply perceived as enough is gone. The pressures placed on teachers to assign homework eventually lead to teachers assigning "busy work" to students rather than true learning assignments. As we better understand how students learn, we have come to determine that for many students, they can get just as much benefit, if not more, from smaller amounts of work than larger homework loads. This knowledge has helped teachers create more effective assignments that can be completed is shorter amounts of time. 

Too Much Homework Prevents Play

Experts believe that playtime is more than just a fun way to pass the time—it actually helps kids learn. Play, particularly for younger kids, is vital to developing creativity, imagination, and even social skills. While many educators and parents believe that young children are ready for direct instruction, studies have shown that kids learn more when they are simply allowed to play. For example, young children who were showed how to make a toy squeak only learned this one function of the toy, while kids who were allowed to experiment on their own discovered many flexible uses of the toy. Older kids also need time to run, play, and simply experiment, and parents and teachers must realize that this independent time allows kids to discover their environment. For example, kids who run in a park learn rules about physics and the environment intuitively, and they cannot take in this knowledge through direct instruction.

Too Much Pressure Backfires

With regard to kids’ learning, less is often more. For example, it’s natural for kids to learn to read by about age 7, though there is a variability in the time individual kids learn to read; kids can learn at any time from 3-7. Later development does not in any way correlate with advancement at a later age, and when kids who are not ready for certain tasks are pushed into doing them, they may not learn properly. They may feel more stressed and turned off to learning, which is, after all, a life-long pursuit. Too much homework turns kids off to learning and makes them less—rather than more—invested in school and learning.

Homework Does Not Develop Emotional Intelligence

Recent research has demonstrated the importance of emotional intelligence, which involves understanding one’s own and others’ emotions. In fact, after people reach a certain base level of intelligence, the rest of their success in life and in their careers can be attributed, researchers believe, largely to differences in people’s levels of emotional intelligence. Doing endless amounts of homework does not leave children the proper amount of time to interact socially with family members and peers in a way that will develop their emotional intelligence.

Fortunately, many schools are trying to reduce students’ stress after realizing that too much work has a deleterious effect on kids’ health. For example, many schools are instituting no-homework weekends to provide kids with a much-needed break and time to spend with family and friends.

Article edited by  Stacy Jagodowski

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Striking a Balance: How Much Homework is Too Much Homework for High Schoolers?

How Much Homework Is Too Much For High School Students

It might surprise you to learn that today’s students feel under more pressure than ever before. Despite the endless resources, the expectations on students can be tiresome. Between online schooling, the cost of living, the rising cost of university life, and the progressively more common hybrid teaching model, students feel immense pressure to succeed. This makes educators worldwide wonder how much homework I should give my students.

This question is especially relevant for high school educators who are trying to prepare their students for college or the workforce and all-important standardized tests that could define their futures for them (as well as the funding for your school).

Giving a certain amount of homework seems necessary in order for students to truly understand and apply the material they are learning. Of course, teachers also might not have enough time to get through all the necessary work during class.

According to research on the effects of homework , over two hours of homework a night can harm students’ stress levels and create a lack of balance in their lives. Things like assigning homework as busy work or asking students to learn more material at home that wasn’t covered in class could end up in hours of homework a night that are highly detrimental to students’ development and overall happiness.

However, educators will find no perfect answer to this question, so the best approach is to find a happy medium. Regarding homework assignments, strive to balance challenging students and simply helping them learn the material. To find that happy medium, consider the following:

Define the purpose of homework.

As an educator, you will find that defining the purpose of the homework you’re assigning will tell you how necessary it is or how much you should give.

If the purpose is to help students apply a new concept, demonstrate their understanding, or build an important skill, then assign it away. 

However, you might be overdoing it if you find yourself assigning work to keep students busy, teaching new material not covered in class, or making sure they understand the value of hard work. 

Take high school schedules into consideration.

High school students already have nearly impossible schedules to maintain, especially in an increasingly modern and digital world.

Most students are trying to fit in after-school activities, college prep, essay writing, sports, and time with family and friends into their lives. 

Try and picture this level of logistics from a young high schooler’s mindset, a mindset that is still developing. They are dealing with the constant struggle inherent in growing up while trying to retain high school freedoms.

Remember that teens need sleep.

According to the Centers for Disease Control and Prevention , teens between the ages of 13 and 18 need an average of 8-10 hours of sleep a night for healthy development, but most are not getting the amount of sleep they need on school nights.

Kids and teens who do not get enough sleep are at a higher risk of developing health and behavior problems, which could impair their ability to learn effectively.

So, sending teens home with too much homework might actually impair your ability to prepare them for the future or even for the next day’s class.

Reasons Not to Overwork High School Students

Rather than harping on the negative effects of too much homework, educators might be inspired to consider the positive effects of assigning less homework, if possible.

Create resilient learners, not perfectionists.

By focusing on learning from, working with, and even failing at classroom material, rather than immediately mastering it, educators will help to create resilient learners. 

So many high school students face pressure to be the best, to be exceptional, and to attend top colleges and universities. They also face pressure to have perfect social media accounts, to be the most popular students, and to define their identities flawlessly.

This idea of perfection, as we know, is impossible to achieve. So, if educators can strive to teach students to work hard for shorter amounts of time, rather than perfectly learning a concept in one night, students will be more resilient and accepting of failure in life.

Instill the lifelong importance of play and rest.

We all need a true, unwinding rest sometimes. As adults, we are constantly trying to find our sense of play again and searching for moments of rest. Many of us spend free time reading self-help books and listening to inspirational TED talks, knowing that we have lost some sense of ourselves by focusing only on work. 

American society especially encourages us to be forever busy, working as hard as we can until we reach our goals.

Though the hard work narrative is still important in many respects, let’s not deprive our high school students of their inherent sense of play and rest. 

Perhaps we can even cultivate an understanding of the importance of play and rest, building these concepts into educational homework plans before these students become another generation of overworked adults.

Avoid early academic burnout.

Finally, by avoiding too much homework than is necessary, educators will help students also avoid academic burnout too early. 

When high school students spend all of high school working as hard and as many hours, or more, than they will in college, the prospect of college work can be daunting. 

Students don’t need to feel burned out before reaching a college campus or starting their first post-graduate career. They have plenty of time to overwork themselves if they wish, but they should be able to enjoy learning in high school without becoming completely overwhelmed in the process.

By assigning less homework, it might feel like you’re missing out as an educator or falling behind; but really think about how much is too much. And try to give your high school students a break.

It is all about health 

When it comes down to it, the student comes first. That means their physical, mental, and emotional health, above all the other results educators might have been taught to strive for. Do not sacrifice the health of the student for the final class percentage on the final exam. If you are teaching an AP class or just a tough subject to a class full of Seniors, then homework is inevitable. But communication will win out every time. By at least explaining the amount of homework, you will find a better rapport with the students expected to complete the work. If you are curious about teaching strategies or want to learn more about how NSHSS works with  educators , visit our website for more information!

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Associations of time spent on homework or studying with nocturnal sleep behavior and depression symptoms in adolescents from Singapore

  • Sing Chen Yeo, MSc Sing Chen Yeo Affiliations Center for Cognitive Neuroscience, Program in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, Singapore Search for articles by this author
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Time spent on activities (h)
Daily activitiesSchool daysWeekends Cohen's d
Time in bed for sleep6.57 ± 1.238.93 ± 1.49−49.0<0.001−1.73
Lessons/lectures/lab6.46 ± 1.110.07 ± 0.39194.9<0.0017.68
Homework/studying2.87 ± 1.464.47 ± 2.45−30.0<0.001−0.79
Media use2.06 ± 1.273.49 ± 2.09−32.4<0.001−0.83
Transportation1.28 ± 0.650.98 ± 0.7411.4<0.0010.43
Co-curricular activities1.22 ± 1.170.22 ± 0.6928.4<0.0011.04
Family time, face-to-face1.23 ± 0.922.70 ± 1.95−32.5<0.001−0.97
Exercise/sports0.86 ± 0.860.91 ± 0.97−2.20.031−0.06
Hanging out with friends0.59 ± 0.771.24 ± 1.59−15.2<0.001−0.52
Extracurricular activities0.32 ± 0.650.36 ± 0.88−1.90.057−0.06
Part-time job0.01 ± 0.130.03 ± 0.22−2.40.014−0.08
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How much time should your child spend on homework each night.

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Fuzzy math: homework and elementary schoolchildren.

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70% of High Schoolers Aren’t Getting Enough Sleep

August 21, 2019 | Amy Brooks Family-Centered Care .

how many hours of homework per night in high school

According to the American Academy of Sleep Medicine, teens should sleep 8–10 hours a night. But studies have shown that 7 out of 10 high school students are falling short of this recommendation on school nights. Why, and what can parents do about it? We asked Caroline Okorie , MD, a pediatric sleep medicine specialist at Stanford Medicine Children’s Health .

Q: Why is it important that teens get enough sleep?

Poor sleep can limit teens’ ability to focus and learn. Additionally, insufficient sleep is associated with increased risk for chronic conditions such as diabetes, obesity and poor mental health.  

Q: Why is it harder for teens to fall asleep?

A: Teens have the unique challenge of a biological shift in their circadian clock, causing them to struggle to fall asleep before 11 pm.  Many teens will stay up late but still have to wake up early the next morning for school. It’s often during the weekend that they try to “catch up” by sleeping later and longer, which makes it even harder to return to an early morning wake time the following Monday.  

Plus, even if teens wanted to go to sleep earlier, they often feel like they can’t because they are working on homework. A study by the Better Sleep Council found that homework has the most significant effect on teens’ stress levels and sleep. Many report 15+ hours of homework a week.  

Q: What about the role of technology on teen sleep habits?

A: I’ve seen many teenage patients who wake up every few hours to check their texts and social media feeds. Obviously, this is not conducive to a good night’s sleep.  Staring at a screen right before bed can also make it harder to fall asleep.  The light emanating from the screen can signal your brain to stay awake, rather than get ready for sleep.

Q: What can parents do?

A: Consider taking your teens’ tech devices and putting them in a separate room at night so they won’t be tempted to check them. Or have your teens turn their devices off completely at night and use a regular clock as a morning alarm clock instead. Try to stick to the same sleeping and waking schedule every day of the week. Plan fun family activities for weekend mornings that entice kids out of bed. If problems persist, consider seeing a sleep specialist.

Q: What are the benefits of seeing a sleep specialist?

A: A sleep doctor can help teenagers and their families navigate these issues to promote good sleep health. A sleep specialist can also recommend effective ways to shift a teenager’s circadian clock to better suit his or her school schedule and offer ways to optimize the sleep environment. Undiagnosed and untreated sleep disorders may thwart even the best efforts to encourage healthy sleep, so it is important to screen for primary sleep disorders such as sleep apnea, narcolepsy, insomnia or restless legs syndrome.   

To make an appointment with  Dr. Okorie  or another sleep specialist at  Stanford Medicine Children’s Health , call (844) 724-4140.

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Homework in America

  • 2014 Brown Center Report on American Education

Subscribe to the Brown Center on Education Policy Newsletter

Tom loveless tom loveless former brookings expert.

March 18, 2014

  • 18 min read

Part II of the 2014 Brown Center Report on American Education

part two cover

Homework!  The topic, no, just the word itself, sparks controversy.  It has for a long time. In 1900, Edward Bok, editor of the Ladies Home Journal , published an impassioned article, “A National Crime at the Feet of Parents,” accusing homework of destroying American youth.  Drawing on the theories of his fellow educational progressive, psychologist G. Stanley Hall (who has since been largely discredited), Bok argued that study at home interfered with children’s natural inclination towards play and free movement, threatened children’s physical and mental health, and usurped the right of parents to decide activities in the home.

The Journal was an influential magazine, especially with parents.  An anti-homework campaign burst forth that grew into a national crusade. [i]   School districts across the land passed restrictions on homework, culminating in a 1901 statewide prohibition of homework in California for any student under the age of 15.  The crusade would remain powerful through 1913, before a world war and other concerns bumped it from the spotlight.  Nevertheless, anti-homework sentiment would remain a touchstone of progressive education throughout the twentieth century.  As a political force, it would lie dormant for years before bubbling up to mobilize proponents of free play and “the whole child.” Advocates would, if educators did not comply, seek to impose homework restrictions through policy making.

Our own century dawned during a surge of anti-homework sentiment. From 1998 to 2003, Newsweek , TIME , and People , all major national publications at the time, ran cover stories on the evils of homework.  TIME ’s 1999 story had the most provocative title, “The Homework Ate My Family: Kids Are Dazed, Parents Are Stressed, Why Piling On Is Hurting Students.” People ’s 2003 article offered a call to arms: “Overbooked: Four Hours of Homework for a Third Grader? Exhausted Kids (and Parents) Fight Back.” Feature stories about students laboring under an onerous homework burden ran in newspapers from coast to coast. Photos of angst ridden children became a journalistic staple.

The 2003 Brown Center Report on American Education included a study investigating the homework controversy.  Examining the most reliable empirical evidence at the time, the study concluded that the dramatic claims about homework were unfounded.  An overwhelming majority of students, at least two-thirds, depending on age, had an hour or less of homework each night.  Surprisingly, even the homework burden of college-bound high school seniors was discovered to be rather light, less than an hour per night or six hours per week. Public opinion polls also contradicted the prevailing story.  Parents were not up in arms about homework.  Most said their children’s homework load was about right.  Parents wanting more homework out-numbered those who wanted less.

Now homework is in the news again.  Several popular anti-homework books fill store shelves (whether virtual or brick and mortar). [ii]   The documentary Race to Nowhere depicts homework as one aspect of an overwrought, pressure-cooker school system that constantly pushes students to perform and destroys their love of learning.  The film’s website claims over 6,000 screenings in more than 30 countries.  In 2011, the New York Times ran a front page article about the homework restrictions adopted by schools in Galloway, NJ, describing “a wave of districts across the nation trying to remake homework amid concerns that high stakes testing and competition for college have fueled a nightly grind that is stressing out children and depriving them of play and rest, yet doing little to raise achievement, especially in elementary grades.”   In the article, Vicki Abeles, the director of Race to Nowhere , invokes the indictment of homework lodged a century ago, declaring, “The presence of homework is negatively affecting the health of our young people and the quality of family time.” [iii] 

A petition for the National PTA to adopt “healthy homework guidelines” on change.org currently has 19,000 signatures.  In September 2013, Atlantic featured an article, “My Daughter’s Homework is Killing Me,” by a Manhattan writer who joined his middle school daughter in doing her homework for a week.  Most nights the homework took more than three hours to complete.

The Current Study

A decade has passed since the last Brown Center Report study of homework, and it’s time for an update.  How much homework do American students have today?  Has the homework burden increased, gone down, or remained about the same?  What do parents think about the homework load?

A word on why such a study is important.  It’s not because the popular press is creating a fiction.  The press accounts are built on the testimony of real students and real parents, people who are very unhappy with the amount of homework coming home from school.  These unhappy people are real—but they also may be atypical.  Their experiences, as dramatic as they are, may not represent the common experience of American households with school-age children.  In the analysis below, data are analyzed from surveys that are methodologically designed to produce reliable information about the experiences of all Americans.  Some of the surveys have existed long enough to illustrate meaningful trends.  The question is whether strong empirical evidence confirms the anecdotes about overworked kids and outraged parents.

Data from the National Assessment of Educational Progress (NAEP) provide a good look at trends in homework for nearly the past three decades.  Table 2-1 displays NAEP data from 1984-2012.  The data are from the long-term trend NAEP assessment’s student questionnaire, a survey of homework practices featuring both consistently-worded questions and stable response categories.  The question asks: “How much time did you spend on homework yesterday?”  Responses are shown for NAEP’s three age groups: 9, 13, and 17. [iv]

Table 21

Today’s youngest students seem to have more homework than in the past.  The first three rows of data for age 9 reveal a shift away from students having no homework, declining from 35% in 1984 to 22% in 2012.  A slight uptick occurred from the low of 18% in 2008, however, so the trend may be abating.  The decline of the “no homework” group is matched by growth in the percentage of students with less than an hour’s worth, from 41% in 1984 to 57% in 2012. The share of students with one to two hours of homework changed very little over the entire 28 years, comprising 12% of students in 2012.  The group with the heaviest load, more than two hours of homework, registered at 5% in 2012.  It was 6% in 1984.

The amount of homework for 13-year-olds appears to have lightened slightly. Students with one to two hours of homework declined from 29% to 23%.  The next category down (in terms of homework load), students with less than an hour, increased from 36% to 44%.  One can see, by combining the bottom two rows, that students with an hour or more of homework declined steadily from 1984 to 2008 (falling from 38% to 27%) and then ticked up to 30% in 2012.  The proportion of students with the heaviest load, more than two hours, slipped from 9% in 1984 to 7% in 2012 and ranged between 7-10% for the entire period.

For 17-year-olds, the homework burden has not varied much.  The percentage of students with no homework has increased from 22% to 27%.  Most of that gain occurred in the 1990s. Also note that the percentage of 17-year-olds who had homework but did not do it was 11% in 2012, the highest for the three NAEP age groups.  Adding that number in with the students who didn’t have homework in the first place means that more than one-third of seventeen year olds (38%) did no homework on the night in question in 2012.  That compares with 33% in 1984.  The segment of the 17-year-old population with more than two hours of homework, from which legitimate complaints of being overworked might arise, has been stuck in the 10%-13% range.

The NAEP data point to four main conclusions:

  • With one exception, the homework load has remained remarkably stable since 1984.
  • The exception is nine-year-olds.  They have experienced an increase in homework, primarily because many students who once did not have any now have some.  The percentage of nine-year-olds with no homework fell by 13 percentage points, and the percentage with less than an hour grew by 16 percentage points.
  • Of the three age groups, 17-year-olds have the most bifurcated distribution of the homework burden.   They have the largest percentage of kids with no homework (especially when the homework shirkers are added in) and the largest percentage with more than two hours.
  • NAEP data do not support the idea that a large and growing number of students have an onerous amount of homework.  For all three age groups, only a small percentage of students report more than two hours of homework.  For 1984-2012, the size of the two hours or more groups ranged from 5-6% for age 9, 6-10% for age 13, and 10-13% for age 17.

Note that the item asks students how much time they spent on homework “yesterday.”  That phrasing has the benefit of immediacy, asking for an estimate of precise, recent behavior rather than an estimate of general behavior for an extended, unspecified period.  But misleading responses could be generated if teachers lighten the homework of NAEP participants on the night before the NAEP test is given.  That’s possible. [v] Such skewing would not affect trends if it stayed about the same over time and in the same direction (teachers assigning less homework than usual on the day before NAEP).  Put another way, it would affect estimates of the amount of homework at any single point in time but not changes in the amount of homework between two points in time.

A check for possible skewing is to compare the responses above with those to another homework question on the NAEP questionnaire from 1986-2004 but no longer in use. [vi]   It asked students, “How much time do you usually spend on homework each day?” Most of the response categories have different boundaries from the “last night” question, making the data incomparable.  But the categories asking about no homework are comparable.  Responses indicating no homework on the “usual” question in 2004 were: 2% for age 9-year-olds, 5% for 13 year olds, and 12% for 17-year-olds.  These figures are much less than the ones reported in Table 2-1 above.  The “yesterday” data appear to overstate the proportion of students typically receiving no homework.

The story is different for the “heavy homework load” response categories.  The “usual” question reported similar percentages as the “yesterday” question.  The categories representing the most amount of homework were “more than one hour” for age 9 and “more than two hours” for ages 13 and 17.   In 2004, 12% of 9-year-olds said they had more than one hour of daily homework, while 8% of 13-year-olds and 12% of 17-year-olds said they had more than two hours.  For all three age groups, those figures declined from1986 to 2004. The decline for age 17 was quite large, falling from 17% in 1986 to 12% in 2004.  

The bottom line: regardless of how the question is posed, NAEP data do not support the view that the homework burden is growing, nor do they support the belief that the proportion of students with a lot of homework has increased in recent years.  The proportion of students with no homework is probably under-reported on the long-term trend NAEP.  But the upper bound of students with more than two hours of daily homework appears to be about 15%–and that is for students in their final years of high school.

College Freshmen Look Back  

There is another good source of information on high school students’ homework over several decades.  The Higher Education Research Institute at UCLA conducts an annual survey of college freshmen that began in 1966.  In 1986, the survey started asking a series of questions regarding how students spent time in the final year of high school.  Figure 2-1 shows the 2012 percentages for the dominant activities.  More than half of college freshmen say they spent at least six hours per week socializing with friends (66.2%) and exercising/sports (53.0%).  About 40% devoted that much weekly time to paid employment.

Figure 21

Homework comes in fourth pace. Only 38.4% of students said they spent at least six hours per week studying or doing homework. When these students were high school seniors, it was not an activity central to their out of school lives.  That is quite surprising.  Think about it.  The survey is confined to the nation’s best students, those attending college.  Gone are high school dropouts.  Also not included are students who go into the military or attain full time employment immediately after high school.  And yet only a little more than one-third of the sampled students, devoted more than six hours per week to homework and studying when they were on the verge of attending college.

Another notable finding from the UCLA survey is how the statistic is trending (see Figure 2-2).  In 1986, 49.5% reported spending six or more hours per week studying and doing homework.  By 2002, the proportion had dropped to 33.4%.  In 2012, as noted in Figure 2-1, the statistic had bounced off the historical lows to reach 38.4%.  It is slowly rising but still sits sharply below where it was in 1987.

Figure 22

What Do Parents Think?

Met Life has published an annual survey of teachers since 1984.  In 1987 and 2007, the survey included questions focusing on homework and expanded to sample both parents and students on the topic. Data are broken out for secondary and elementary parents and for students in grades 3-6 and grades 7-12 (the latter not being an exact match with secondary parents because of K-8 schools).

Table 2-2 shows estimates of homework from the 2007 survey.  Respondents were asked to estimate the amount of homework on a typical school day (Monday-Friday).  The median estimate of each group of respondents is shaded.  As displayed in the first column, the median estimate for parents of an elementary student is that their child devotes about 30 minutes to homework on the typical weekday.  Slightly more than half (52%) estimate 30 minutes or less; 48% estimate 45 minutes or more.  Students in grades 3-6 (third column) give a median estimate that is a bit higher than their parents’ (45 minutes), with almost two-thirds (63%) saying 45 minutes or less is the typical weekday homework load.

Table 22

One hour of homework is the median estimate for both secondary parents and students in grade 7-12, with 55% of parents reporting an hour or less and about two-thirds (67%) of students reporting the same.  As for the prevalence of the heaviest homework loads, 11% of secondary parents say their children spend more than two hours on weekday homework, and 12% is the corresponding figure for students in grades 7-12.

The Met Life surveys in 1987 and 2007 asked parents to evaluate the amount and quality of homework.  Table 2-3 displays the results.  There was little change over the two decades separating the two surveys.  More than 60% of parents rate the amount of homework as good or excellent, and about two-thirds give such high ratings to the quality of the homework their children are receiving.  The proportion giving poor ratings to either the quantity or quality of homework did not exceed 10% on either survey.

Table23

Parental dissatisfaction with homework comes in two forms: those who feel schools give too much homework and those who feel schools do not give enough.  The current wave of journalism about unhappy parents is dominated by those who feel schools give too much homework.  How big is this group?  Not very big (see Figure 2-3). On the Met Life survey, 60% of parents felt schools were giving the right amount of homework, 25% wanted more homework, and only 15% wanted less.

Figure 23

National surveys on homework are infrequent, but the 2006-2007 period had more than one.  A poll conducted by Public Agenda in 2006 reported similar numbers as the Met Life survey: 68% of parents describing the homework load as “about right,” 20% saying there is “too little homework,” and 11% saying there is “too much homework.”  A 2006 AP-AOL poll found the highest percentage of parents reporting too much homework, 19%.  But even in that poll, they were outnumbered by parents believing there is too little homework (23%), and a clear majority (57%) described the load as “about right.”  A 2010 local survey of Chicago parents conducted by the Chicago Tribune reported figures similar to those reported above: approximately two-thirds of parents saying their children’s homework load is “about right,” 21% saying it’s not enough, and 12% responding that the homework load is too much.

Summary and Discussion

In recent years, the press has been filled with reports of kids over-burdened with homework and parents rebelling against their children’s oppressive workload. The data assembled above call into question whether that portrait is accurate for the typical American family.  Homework typically takes an hour per night.  The homework burden of students rarely exceeds two hours a night.  The upper limit of students with two or more hours per night is about 15% nationally—and that is for juniors or seniors in high school.  For younger children, the upper boundary is about 10% who have such a heavy load.  Polls show that parents who want less homework range from 10%-20%, and that they are outnumbered—in every national poll on the homework question—by parents who want more homework, not less.  The majority of parents describe their children’s homework burden as about right.

So what’s going on?  Where are the homework horror stories coming from?

The Met Life survey of parents is able to give a few hints, mainly because of several questions that extend beyond homework to other aspects of schooling.  The belief that homework is burdensome is more likely held by parents with a larger set of complaints and concerns.  They are alienated from their child’s school.  About two in five parents (19%) don’t believe homework is important.  Compared to other parents, these parents are more likely to say too much homework is assigned (39% vs. 9%), that what is assigned is just busywork (57% vs. 36%), and that homework gets in the way of their family spending time together (51% vs. 15%).  They are less likely to rate the quality of homework as excellent (3% vs. 23%) or to rate the availability and responsiveness of teachers as excellent (18% vs. 38%). [vii]

They can also convince themselves that their numbers are larger than they really are.  Karl Taro Greenfeld, the author of the Atlantic article mentioned above, seems to fit that description.  “Every parent I know in New York City comments on how much homework their children have,” Mr. Greenfeld writes.  As for those parents who do not share this view? “There is always a clique of parents who are happy with the amount of homework. In fact, they would prefer more .  I tend not to get along with that type of parent.” [viii] 

Mr. Greenfeld’s daughter attends a selective exam school in Manhattan, known for its rigorous expectations and, yes, heavy homework load.  He had also complained about homework in his daughter’s previous school in Brentwood, CA.  That school was a charter school.  After Mr. Greenfeld emailed several parents expressing his complaints about homework in that school, the school’s vice-principal accused Mr. Greenfeld of cyberbullying.  The lesson here is that even schools of choice are not immune from complaints about homework.

The homework horror stories need to be read in a proper perspective.  They seem to originate from the very personal discontents of a small group of parents.  They do not reflect the experience of the average family with a school-age child.  That does not diminish these stories’ power to command the attention of school officials or even the public at large. But it also suggests a limited role for policy making in settling such disputes.  Policy is a blunt instrument.  Educators, parents, and kids are in the best position to resolve complaints about homework on a case by case basis.  Complaints about homework have existed for more than a century, and they show no signs of going away.

Part II Notes:

[i]Brian Gill and Steven Schlossman, “A Sin Against Childhood: Progressive Education and the Crusade to Abolish Homework, 1897-1941,” American Journal of Education , vol. 105, no. 1 (Nov., 1996), 27-66.  Also see Brian P. Gill and Steven L. Schlossman, “Villain or Savior? The American Discourse on Homework, 1850-2003,” Theory into Practice , 43, 3 (Summer 2004), pp. 174-181.

[ii] Bennett, Sara, and Nancy Kalish.  The Case Against Homework:  How Homework Is Hurting Our Children and What We Can Do About It   (New York:  Crown, 2006).  Buell, John.  Closing the Book on Homework: Enhancing Public Education and Freeing Family Time . (Philadelphia: Temple University Press, 2004). Kohn, Alfie.    The Homework Myth:  Why Our Kids Get Too Much of a Bad Thing  (Cambridge, MA: Da Capo Press, 2006).  Kralovec, Etta, and John Buell.  The End of Homework: How Homework Disrupts Families, Overburdens Children, and Limits Learning  (Boston: Beacon Press, 2000).

[iii] Hu, Winnie, “ New Recruit in Homework Revolt: The Principal ,” New York Times , June 15, 2011, page a1.

[iv] Data for other years are available on the NAEP Data Explorer.  For Table 1, the starting point of 1984 was chosen because it is the first year all three ages were asked the homework question.  The two most recent dates (2012 and 2008) were chosen to show recent changes, and the two years in the 1990s to show developments during that decade.

[v] NAEP’s sampling design lessens the probability of skewing the homework figure.  Students are randomly drawn from a school population, meaning that an entire class is not tested.  Teachers would have to either single out NAEP students for special homework treatment or change their established homework routine for the whole class just to shelter NAEP participants from homework.  Sampling designs that draw entact classrooms for testing (such as TIMSS) would be more vulnerable to this effect.  Moreover, students in middle and high school usually have several different teachers during the day, meaning that prior knowledge of a particular student’s participation in NAEP would probably be limited to one or two teachers.

[vi] NAEP Question B003801 for 9 year olds and B003901 for 13- and 17-year olds.

[vii] Met Life, Met Life Survey of the American Teacher: The Homework Experience , November 13, 2007, pp. 21-22.

[viii] Greenfeld, Karl Taro, “ My Daughter’s Homework Is Killing Me ,” The Atlantic , September 18, 2013.

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Learning Disabilities Association of America

How Much Time Should Be Spent on Homework?

Student doing homework with clock

At the elementary level homework should be brief, at your child’s ability level and involve frequent, voluntary and high interest activities. Young students require high levels of feedback and/or supervision to help them complete assignments correctly. Accurate homework completion is influenced by your child’s ability, the difficulty of the task, and the amount of feedback your child receives. When assigning homework, your child’s teachers may struggle to create a balance at this age between ability, task difficulty and feedback. Unfortunately, there are no simple guiding principles.

We can assure you, however, that your input and feedback on a nightly basis is an essential component in helping your child benefit from the homework experience.

What is the recommended time in elementary school?

In first through third grade, students should receive one to three assignments per week, taking them no more than fifteen to twenty minutes. In fourth through sixth grade, students should receive two to four assignments per week, lasting between fifteen and forty-five minutes. At this age, the primarily goal of homework is to help your child develop the independent work and learning skills that will become critical in the higher grades. In the upper grades, the more time spent on homework the greater the achievement gains.

What is the recommended time in middle and high school?

For students in middle and high school grades there are greater overall benefits from time engaged in practicing and thinking about school work. These benefits do not appear to depend as much upon immediate supervision or feedback as they do for elementary students. In seventh through ninth grade we recommend students receive three to five sets of assignments per week, lasting between forty-five and seventy-five minutes per set. In high school students will receive four to five sets of homework per week, taking them between seventy-five and 150 minutes per set to complete.

As children progress through school, homework and the amount of time engaged in homework increases in importance. Due to the significance of homework at the older age levels, it is not surprising that there is more homework assigned. Furthermore, homework is always assigned in college preparatory classes and assigned at least three quarters of the time in special education and vocational training classes. Thus at any age, homework may indicate our academic expectations of children.

Regardless of the amount of homework assigned, many students unsuccessful or struggling in school spend less rather than more time engaged in homework. It is not surprising that students spending less time completing homework may eventually not achieve as consistently as those who complete their homework.

Does this mean that time devoted to homework is the key component necessary for achievement?

We are not completely certain. Some American educators have concluded that if students in America spent as much time doing homework as students in Asian countries they might perform academically as well. It is tempting to assume such a cause and effect relationship.

However, this relationship appears to be an overly simple conclusion. We know that homework is important as one of several influential factors in school success. However, other variables, including student ability, achievement, motivation and teaching quality influence the time students spend with homework tasks. Many students and their parents have told us they experience less difficulty being motivated and completing homework in classes in which they enjoyed the subject, the instruction, the assignments and the teachers.

The benefits from homework are the greatest for students completing the most homework and doing so correctly. Thus, students who devote time to homework are probably on a path to improved achievement. This path also includes higher quality instruction, greater achievement motivation and better skill levels.

Authors: Dr. Sam Goldstein and Dr. Sydney Zentall

how many hours of homework per night in high school

LDA of America does not currently have an active state affiliate in Wyoming.

Make a difference in your state by volunteering to start a state affiliate to help individuals with learning disabilities in your state.

Contact LDA of America at [email protected] to inquire about starting a state affiliate.

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how many hours of homework per night in high school

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how many hours of homework per night in high school

LDA of America does not currently have an active state affiliate in Vermont.

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how many hours of homework per night in high school

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how many hours of homework per night in high school

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how many hours of homework per night in high school

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how many hours of homework per night in high school

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how many hours of homework per night in high school

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LDA of New York’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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LDA of New Hampshire’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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The Learning Disabilities Association of Montana (LDA-MT) is one of the state affiliates of the Learning Disabilities Association of America, as a nonprofit volunteer organization of parents, professionals, and adults with learning disabilities. Our mission is to create opportunities for success for all individuals affected by learning disabilities through support, education, and advocacy.

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LDA of America does not currently have an active state affiliate in Missouri.

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how many hours of homework per night in high school

LDA of Illinois’ mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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LDA of Illinois

The Learning Disabilities Association of Iowa is dedicated to identifying causes and promoting prevention of learning disabilities and to enhancing the quality of life for all individuals with learning disabilities and their families by:

  • Encouraging effective identification and intervention,
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  • Protecting the rights of individuals with learning disabilities under the law.

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The mission of LDA of Massachusetts is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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LDA of Maryland’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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LDA of Maine’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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LDA Maine

The Learning Disabilities Association of Louisiana (LDA-LA) is one of the state affiliates of the Learning Disabilities Association of America, as a nonprofit volunteer organization of parents, professionals, and adults with learning disabilities. Our mission is to create opportunities for success for all individuals affected by learning disabilities through support, education, and advocacy.

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LDA of Kentucky’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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LDA of America does not currently have an active state affiliate in Kansas.

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LDA of Florida’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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LDA of America does not currently have an active state affiliate in the District of Columbia.

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LDA of Delaware’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

Affiliate Contact: Fern Goldstein

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Affiliate Contact: EunMi Cho

LDA California

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LDA of Arizona’s mission is to create opportunities for success for all individuals affected by learning disabilities through support, education and advocacy.

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Jessica Leigh Hamilton Ph.D.

Moving School Start Times to Help Teens Get More Sleep

How to challenge perceived barriers to later school start times..

Updated August 1, 2024 | Reviewed by Gary Drevitch

  • Why Is Sleep Important?
  • Take our Sleep Habits Test
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  • Teens need more sleep. School districts can move school start times later to support teens.
  • People often have concerns about moving school start times, but these are addressable.
  • The data (and experience) suggests a change can be made with minimal negative impacts.
  • Moving school start times will have a positive impact on teens' school outcomes and mental health.

This post was co-authored by Jessica Leigh Hamilton, Ph.D. and Ryan Shintani.

“I wake up and feel the warm glow of the sun shining bright on my face. Is it the weekend already? No! It’s 7:30 am on a Tuesday and time to get ready for school. Last year, when I woke up for school, it was 6:30 am–dark and desolate outside. But now that my school’s start time has been pushed back an hour, I get an extra hour of sleep. I wake up with the sun already out, something that I haven’t seen in an early school morning for as long as I can remember. The predawn darkness had always made me feel groggy, tired, and just a bit depressed . Since our school district moved back start times for our high school this year, I feel so much more energetic when I wake up in the morning. That extra hour of sleep, in combination with the sunlight, gives me the pep I need to start my day (and my parents love the extra hour in the morning too).” —Ryan, age 15, high-school sophomore

Getting adequate sleep (at least 8 hours per night for teens) has known benefits for physical and mental health and academic performance . So shouldn’t more schools shift their school start times to be aligned with teens’ natural biological clocks? Is it really necessary for kids to wake up in the cold, dark predawn hours during their biological night to go to school? The research shows that there are a lot of benefits in a later start day and very few to an earlier one. So why don’t more schools make this change?

The reality is that every school district is different and faces a myriad of perceived barriers to implementing later school start times. But, the truth is, if we really care about curbing the teen mental health crisis , perhaps we should be spending more time and energy on addressing these perceived barriers to ensure that kids get more sleep instead of the current focus on banning social media . (Note: My research focuses on social media, sleep, and suicide risk; see here for brief summary).

So what are the perceived barriers and how can we overcome them to do what’s best for teens?

Perceived Barrier 1: If we move school start times later, teens will just stay up later.

Fact: If we move school start times, teens will actually get more sleep .

I hear this one a lot from parents and educators. If teens know they can wake up later, won’t they just go to bed later? In short, the research says NO . Teens will actually go to bed around similar times, get better-quality sleep, and get at least 30 minutes more sleep per night, which has major benefits at this age.

Perceived Barrier 2: If we move school start times later, this will mess up scheduling of other activities.

Fact: If we move school start times later, schools can still accommodate extracurricular activities and after-school activities are minimally impacted .

This is a major concern we hear: “But what about the athletes? How can they still compete if they get out later? If kids get out of school later, how will they eat dinner and do homework within reasonable times?” These are reasonable concerns; our kids do a lot after school and we don’t want them getting home at 10 pm every night. However, Ryan’s school managed this by making classes a bit shorter than before, and they only finish school about 20 minutes later than before the later school start times. Teens are still learning and afterschool activities do not have to be impacted.

Perceived Barrier 3: If we move school start times later, transportation needs to be completely revamped.

Fact: If we move school start times later, transportation can be adjusted with other school start times, pending district needs.

While there might be concerns about an increased number of buses and drivers needed at peak times, the total number of buses and bus drivers will not necessarily need to change. In fact, transportation costs can actually decrease . And superintendents who have made the change to later school start times have said that it made their transportation function better than in prior years, due to the shorter school day and more time in between routes. (See here for their testimonial.)

Perceived Barrier 4: If we move school start times later, teacher contracts will need to be adjusted.

Fact: If we move school start times later, teacher contracts and schedules can be minimally impacted.

As noted, Ryan’s school shortened each class and the school day ended just 20 minutes later than usual. This change in schedule actually led to a net decrease in the total number of hours in school, so teacher contracts can remain unaffected. Furthermore, many teachers support the later school start times for both their students’ and their own health and wellness.

Perceived Barrier 5: If we move school start times later, students will get used to sleeping in and won’t be ready for the real world.

Fact: If we move school start times later, students’ sleep will be aligned with their circadian rhythms , improving their attendance and graduation rates .

Compared to adults, adolescent physiology makes them fall asleep later. Specifically, melatonin release from the brain starts later in the day for teens, making it harder to fall asleep earlier (and therefore sleep long enough at night). In order for children to succeed as working professionals, they have to first succeed in school, and later school start times help them do that. When they get older, in their 20s, their circadian rhythms begin to resemble that of a typical adult, which will be better aligned with a work schedule.

In short, the research is clear: Moving school start times benefits teens . They get more sleep, feel better , drive better—they have fewer accidents, and perform better in school and in sports . Are there challenges to implementing later school start times? Sure. But should these stand in the way of doing what’s best for our kids? Absolutely not.

how many hours of homework per night in high school

To get started on making these changes:

  • Learn more about the importance of sleep for teens. Get the data you need to back it up; for example, watch videos to learn more about the importance of sleep , myths about teen sleep , and why all teens can't just "go to bed early "). Also, check out our research-backed blog on why sleep matters.
  • Organize groups in your community with interested parents (and teens).
  • Go to your local school board meeting to discuss the issue (which may help with step 2) and watch this video to hear from schools who made the change.
  • Involve researchers and pediatricians on these topics to offer support and resources.
  • Support and discuss the current legislation to move school start times later in your area. (See this example from New Jersey .)

Together, we can make sleep a priority for teens—and hopefully adults, too.

Ryan Shintani is a Ridgewood High School junior in New Jersey who is passionate about teen sleep and mental health. He also is a member of The Hamilton Lab RISE Team, our youth advisory board.

Jessica Leigh Hamilton Ph.D.

Jessica Leigh Hamilton, Ph.D., (she/her/hers) is an Assistant Professor at Rutgers University in the Department of Psychology. Her research aims to identify risk factors for the development and worsening of depression and suicidality (i.e., suicidal thoughts and behavior) among adolescents.

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Sticking up for yourself is no easy task. But there are concrete skills you can use to hone your assertiveness and advocate for yourself.

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What working long hours does to your body

Experts warn that working long hours can increase your risk of heart disease, lower back pain, and type 2 diabetes—and the tipping point might be sooner than you think.

Two nurses, wearing scrubs and face masks sitting together at the end of a sidewalk. Both nurses appear exhausted as one rests her head on the other's shoulder

Increased stress. Anxiety. Lower back pain. High blood pressure. If you’ve been working long hours at the office, then you might be intimately acquainted with some of the ways that overwork can have an impact on your health.

But even as debate rages over whether it’s time to switch to a four-day workweek, some workplaces are headed the other direction: In July, Greece passed legislation allowing some employers to mandate a six-day workweek, while Samsung is requiring its executives to work a six-day week. This raises the question of what impact working long hours has on the body.

In 2021, the World Health Organization and International Labor Organization released a report that looked at the health risks of overwork. The report found that working long hours, defined as more than 55 hours a week, was responsible for 745,000 deaths from stroke and heart disease in 2016—a 29 percent increase since 2000.    

“There’s sufficient data to show that excessive work is the first occupational disease in the world,” says Alexis Descatha, a researcher at the Hospital and University of Angers-Inserm, based in France. As research is showing, even a 40-hour workweek, which has long been upheld as the standard for work-life balance, may not be as good for our health as we once thought.    

The hidden consequences of overwork

The health effects of overwork can be both direct and indirect. The stress associated with working long hours can have a direct impact on your health, by keeping your body in a constant state of flight-or-flight. This in turn leads to raised cortisol levels , which affects blood sugar levels, and alters the immune system.

Over time, if this stress becomes chronic , it can lead to a number of health issues, such as high blood pressure, headaches, anxiety, depression, digestive issues, heart disease, heart attack, stroke, or sleep disturbances.    

( Do you have chronic stress? Look for these signs .)

Working long hours can also have an indirect effect, by taking away the time that a person can use to engage in healthy activities. “When you work too much, you don’t have time to sleep well, to eat well, to play sports,” Descatha says. By replacing leisure time activities, such as going for a walk or spending time with family, with more work, this can compound the negative health effects.    

As research is showing, these negative health impacts might not start showing up years down the road.   In the report released by the WHO and ILO , the majority of deaths related to overwork were in workers over the age of 60, who had reported working 55 hours or more while younger.

“Ten years seems to be the point at which we really see a step increase” in the cumulative health effects of overwork, says Grace Sembajwe, a researcher at Indiana University School of Public Health in Bloomington, Indiana. For those who work long hours over a shorter period—finishing up a stressful project, for example—the health effects are lesser, and can be mitigated if they stop working long hours.      

Although the strongest effects are seen in workers who work more than 55 hours a week, Sembajwe notes these effects are also seen in workers who work more than 40 hours a week.

“Even the 40-hour week isn’t that great, from a health perspective,” Sembajwe says. As research is showing , reduced workweeks result in better life quality, improved sleep, and reduced stress . As a result, some countries are starting to put in protections for shorter workweeks and longer vacation times. This includes Iceland, where 86 percent of workers have a four-day workweek , and Denmark, which has an official 37-hour workweek , with five weeks of mandated vacation time per year.    

How sitting too long increases your risk  

According to the U.S. Bureau of Labor Statistics, civilian workers sit an average of 3.46 hours a day. For office workers, this number might be as much eight to 10 hours a day, while for manual labor jobs, this might be as little as one hour a day.

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For office workers, spending long hours sitting at a desk can have an effect over time, by increasing their risk for developing a number of chronic diseases , such as high blood pressure or Type 2 diabetes.     And that risk only increases the longer you spend at work. “If you increase your working hours, you are increasing your sitting time,” says Aidan Buffey, a researcher at the University of Limerick in Ireland, whose research focuses on the health effects of sedentary time in office workers.

How much sitting is too much? As Buffey notes, the tipping point seems to be somewhere around eight to 10 hours a day, with sedentary time greater than 11 hours leading to a much higher risk of developing health issues. For workers who follow up their sedentary time at work with sedentary activities such as watching TV during their free time, this can quickly add up to greater than eight hours a day.    

Office workers are also at a higher risk for certain overuse injuries, such as neck or lower back pain , due to sitting for long hours every day. “Sitting is a stressful position for your spine,” says Ryan Steiner, a physical therapist at the Cleveland Clinic, in Cleveland, Ohio.    

These health issues can be offset by exercise, with the risks noticeably decreasing in people who get an average of 150 to 300 minutes of physical activity a week . These effects can also be offset by taking short breaks throughout the day, whether it’s walking for a few minutes or shifting to a standing desk.    

The physical activity paradox  

For people working in manual labor, however, the increased physical activity can work against them, a phenomenon known as the physical activity paradox . Although increased physical activity in your leisure time helps guard against cardiovascular disease, increased physical activity as part of work actually increases the risk of cardiovascular disease.    

Researchers are still trying to understand the reasons for this paradox but one possible explanation is that, unlike in your leisure time, workers don’t have control over the length and intensity of their physical activity.

“The body is in a bit of chronic stress,” Buffey says. “They’re also not able to recover because they have to go back to work the next day.” The effects of chronic stress can also be compounded by other lifestyle factors, such as not being able to eat a balanced diet or prioritize sleep.

( 7 tips for getting better sleep .)

Elite athletes, on the other hand, don’t see a negative effect from their high levels of physical activity . This can likely be attributed to the fact that in order to maintain their athletic performance, they have to prioritize rest, recovery, and good nutrition outside of work.    

Working conditions matter—and flexibility makes a difference  

Your working environment can either amp up the stress of working long hours or it can offset those health risks.  

As research is showing , workers who have greater control over their working environment—such as being able to control the pace at which they work or the number of responsibilities that they take on— report less stress compared to their peers with less control. This in turn translates to better health outcomes, such as a decreased risk of heart disease. “We do know that jobs with high demand and low control are associated with cardiovascular disease,” Sembajwe says.    

Employees who have flexibility over their work schedule, which includes being able to adjust it as needed to accommodate the demands of their home life, have better mental health than employees who don’t have control over their schedule. As research shows , this effect is true, even when comparing employees who work a similar number of hours each week.

“Work flexibility itself, independent of numbers of hours worked, independent of paid time off, is negatively correlated with depression or anxiety,” says Pearl McElfish, a researcher at the University of Arkansas for Medical Sciences, in Little Rock, Arkansas. “People who have that flexibility report less anxiety and depression than people who don’t have that flexibility.”    

  As it turns out, when it comes to working to live, rather than living to work, we all stand to benefit from a shorter, more flexible workweek.

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IMAGES

  1. How much time do you spend doing your homework

    how many hours of homework per night in high school

  2. How Much Homework is Too Much?

    how many hours of homework per night in high school

  3. More homework does not equal more learning

    how many hours of homework per night in high school

  4. Homework hours

    how many hours of homework per night in high school

  5. How Much Homework is Too Much?

    how many hours of homework per night in high school

  6. Homework: More Time on Task

    how many hours of homework per night in high school

COMMENTS

  1. Students spend three times longer on homework than average, survey

    High schoolers reported doing an average of 2.7 hours of homework per weeknight, according to a study by the Washington Post from 2018 to 2020 of over 50,000 individuals. A survey of approximately 200 Bellaire High School students revealed that some students spend over three times this number. The demographics of this survey included 34 ...

  2. High Schools Assign 3.5 Hours of Homework a Night, Survey Estimates

    Middle school teachers (grades 6-8) assigned roughly the same amount: 3.2 hours of homework a week, or 38.4 minutes a day per class. That adds up to 3.2 hours of homework a night for a student ...

  3. How Much Homework Is Too Much for Our Teens?

    Regardless, research has shown that doing more than two hours of homework per night does not benefit high school students. Having lots of homework to do every day makes it difficult for teens to ...

  4. More than two hours of homework may be counterproductive, research

    Pope and her colleagues found that too much homework can diminish its effectiveness and even be counterproductive. They cite prior research indicating that homework benefits plateau at about two hours per night, and that 90 minutes to two and a half hours is optimal for high school. • Greater stress: 56 percent of the students considered ...

  5. 11 Surprising Homework Statistics, Facts & Data (2024)

    Students in High-Performing High Schools Spend on Average 3.1 Hours per night Doing Homework. A study by Galloway, Conner & Pope (2013) conducted a sample of 4,317 students from 10 high-performing high schools in upper-middle-class California. ... The same study by the Better Sleep Council also found that US teens spend over 2 hours per school ...

  6. What's the Right Amount of Homework?

    When students spend too much time on homework—more than two hours each night—it takes up valuable time to rest and spend time with family and friends. A 2013 study found that high school students can experience serious mental and physical health problems, from higher stress levels to sleep deprivation, when assigned too much homework ...

  7. Analyzing 'the homework gap' among high school students

    Among all high school students ... teachers report they assign an average of 3.5 hours of homework per day. ... students doing more homework and working later into the night than other racial ...

  8. Homework in High School: How Much Is Too Much?

    Based on research, the National Education Association recommends the 10-minute rule stating students should receive 10 minutes of homework per grade per night. But opponents to homework point out that for seniors that's still 2 hours of homework which can be a lot for students with conflicting obligations. And in reality, high school students ...

  9. Does homework really work?

    For high schoolers, Cooper's research suggests that two hours per night is optimal. If teens have more than two hours of homework a night, their academic success flatlines. But less is not better. The average high school student doing homework outperformed 69 percent of the students in a class with no homework.

  10. How much time should you spend studying? Our 'Goldilocks Day' tool

    An American study found the average grades of high school boys increased by only about 1.5 percentage points for every extra hour of homework per school night. ... hours of homework per school ...

  11. How Much Homework Do American Kids Do?

    In the 2002-2003 school year, a study out of the University of Michigan found that American students ages six through 17 spent three hours and 38 minutes per week doing homework. A range of ...

  12. How false reports of homework overload in America have spread so far

    I was horrified by what I saw, delivered to millions of Wikipedia users: "High schoolers reported doing an average of 2.7 hours of homework per weeknight, according to a study by The Washington ...

  13. Students Spend More Time on Homework but Teachers Say It's Worth It

    High school students get assigned up to 17.5 hours of homework per week, according to a survey of 1,000 teachers. Although students nowadays are spending significantly more time on homework ...

  14. How Much Homework Is Enough? Depends Who You Ask

    From kindergarten to 5th grade, it was just under three hours per week; from 6th to 8th grade, it was 3.2 hours; and from 9th to 12th grade, it was 3.5 hours. There are two points to note.

  15. How Much Homework Should Students Have?

    Many experts believe that students should receive roughly 10 minutes per night of homework in the first grade and an additional 10 minutes per grade for each following year. By this standard, high school seniors should have about 120 minutes or two hours of homework a night, but some students have two hours of work in middle school and many ...

  16. How Much Homework is Too Much Homework for High Schoolers?

    According to the Centers for Disease Control and Prevention, teens between the ages of 13 and 18 need an average of 8-10 hours of sleep a night for healthy development, but most are not getting the amount of sleep they need on school nights.

  17. Associations of time spent on homework or studying with nocturnal sleep

    Adolescents who spent long hours on homework/studying (≥5 hours) showed a reduction of about 30-35 minutes on their time in bed and media use relative to the reference group (2 to <3 hours), whereas those students with <2 hours of homework/studying per day had about 15-20 minutes more time for sleep and media use.

  18. How much time should your child spend on homework each night?

    Well, actually it IS based on research, but it's too loosely construed. In his comprehensive reviews of over 180 research studies on homework, Harris Cooper (1989, 2006) found that an optimal amount of homework for high school seniors was 120 minutes per night. Seniors who did two hours of homework had higher levels of academic achievement ...

  19. How much homework is too much?

    Many districts follow the guideline of 10 minutes per grade level. This is a good rule of thumb and can be modified for specific students or subjects that need more or less time for assignments. This can also be helpful to gauge if you are providing too much (or too little) homework. Consider surveying your students on how much time is needed ...

  20. 70% of High Schoolers Aren't Getting Enough Sleep

    70% of High Schoolers Aren't Getting Enough Sleep. August 21, 2019 | Amy Brooks. Family-Centered Care. According to the American Academy of Sleep Medicine, teens should sleep 8-10 hours a night. But studies have shown that 7 out of 10 high school students are falling short of this recommendation on school nights.

  21. Homework in America

    It was 6% in 1984. The amount of homework for 13-year-olds appears to have lightened slightly. Students with one to two hours of homework declined from 29% to 23%. The next category down (in terms ...

  22. How Much Time Should Be Spent on Homework?

    In high school students will receive four to five sets of homework per week, taking them between seventy-five and 150 minutes per set to complete. As children progress through school, homework and the amount of time engaged in homework increases in importance. Due to the significance of homework at the older age levels, it is not surprising ...

  23. Moving School Start Times to Help Teens Get More Sleep

    Since our school district moved back start times for our high school this year, I feel so much more energetic when I wake up in the morning. ... 30 minutes more sleep per night, which has major ...

  24. Experts highlight the hidden health impacts of long work hours

    The report found that working long hours, defined as more than 55 hours a week, was responsible for 745,000 deaths from stroke and heart disease in 2016—a 29 percent increase since 2000.