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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.

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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.

Education resources › Blog › How much homework should you set?

How much homework should you set?

• Study skills & exam prep
• The science of learning

Written by the InnerDrive team | Edited by Bradley Busch

Homework is an incredibly important part of the learning process; if used correctly, it can help students consolidate class material, practice independent learning and improve academic performance . But one big question looms large; how much homework should teachers set?

To get some answers, we sat down with Professor Harris Cooper, an academic social psychologist at Duke University and editor-in-chief of the American Psychologist journal. This blog post breaks down our conversation with him, reflecting on key points from his research on homework and tips for assigning homework that is truly beneficial for students.

So, read on to learn about:

• What the “right” amount of homework is
• What the research about homework actually says

Top tips for assigning homework

What is the “right” amount of homework?

One of the first points that Professor Cooper stressed in our interview was that “ too much homework is a bad thing ”. Whilst homework can be beneficial to learning, too much of it can lead to chronic stress , emotional exhaustion and burnout.

So, how much homework is too much homework? Professor Cooper suggests there isn’t one “neat” number. Instead, the amount that students are assigned should change depending on their age, skill level and the amount of support they receive at home. This suggests that, where possible, teachers should try and adapt homework assignments to individual students’ needs.

However, Professor Cooper did suggest a helpful guideline; as an anchor point, many teachers begin with the 10-minute rule. This rule proposes that homework should increase by 10 minutes as children move up a year group. For example, first year students might get 10 minutes of homework and fifth years might get 50 minutes. After using this rule as a general guide, teachers can then make further adjustments based on other factors such as the complexity of the assignments, the student’s interest in the subject. For example, if a child is really interested in a topic, a teacher could work with their parents and suggest additional tasks or reading the child can complete at home.

It is also worth keeping in mind that, as Professor Cooper says, “ the same homework assignment, if it goes home to different family settings and kids with different levels of abilities, is going to take them different amounts of time ”.

If done correctly, homework can be really beneficial for students. But how can teachers ensure their homework tasks are making the best use of students’ time? Drawing from our interview with Professor Cooper and other research in this field, we’ve come up with some top tips to help. 

1. Trust your judgement

As Professor Cooper highlighted, there isn’t a “neat” number for the right amount of homework; teachers can use the 10-minute rule as an anchor, but adjustments still need to be made according to the task and the student. This is where the “ wisdom of the practitioner” comes in; teachers know their students and are usually the best people to judge what will help them along in their learning journey. When it comes to assigning homework, it’s important for teachers to trust their instincts and do what they think is best for their students.

2. Check in with students

The best homework assignments are ones that are manageable and relevant to students. Teachers can often make a good judgement of this, but it is important to check in with students as well. Are they finding the tasks very difficult? Are they experiencing burnout due as a result of large workloads? Asking these questions can help tailor homework tasks to student needs and maximise the effectiveness of assignments.

3. Pay more attention to quality instead of quantity

As we’ve covered, assigning lots of homework is more likely to hinder than help students’ progress. Instead, the quality of each task is much more important . Are the tasks meaningful? Do they help students practice a range of important skills? If you want to learn more about this, we cover methods to increase the quality of homework tasks in our Teacher CPD Academy module “Homework”.

Final thoughts

Homework can boost progress in a student’s learning journey, but only when done correctly. Quite often, students are assigned too much work and are left exhausted and unmotivated as a result.

However, by tailoring the amount of homework students are given, we may be able to avoid some of these negative outcomes. Teachers may see improvement when taking age, skill level and other factors into account.

We would like to thank Professor Harris Cooper for sharing his expertise. You can watch our full interview with him, along with other Expert Insights, by joining the Teacher CPD Academy , our online platform that makes high-impact CPD easy.

About the editor

Bradley Busch

Bradley Busch is a Chartered Psychologist and a leading expert on illuminating Cognitive Science research in education. As Director at InnerDrive, his work focuses on translating complex psychological research in a way that is accessible and helpful. He has delivered thousands of workshops for educators and students, helping improve how they think, learn and perform. Bradley is also a prolific writer: he co-authored four books including Teaching & Learning Illuminated and The Science of Learning , as well as regularly featuring in publications such as The Guardian and The Telegraph.

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How Much Homework Is Enough? Depends Who You Ask

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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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High-Quality Homework: How to Assign the Right Amount, and the Most Effective Formats of Homework

by Chandra Williams | Jul 16, 2019

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Although studies have shown that homework offers some benefits to students, assigning too much homework can actually cause students to experience higher stress levels and physical and mental health issues . In this article, we’ll discuss guidelines you can use to assign high quality homework for your students.

What is the “ten-minute homework guideline?”

The National PTA and National Education Association support the “ ten minute homework guideline ,” which suggests each student should have about ten minutes of homework per grade level. First-grade students should have between ten to twenty minutes of homework, with an additional ten minutes added for each subsequent grade level.

The ten-minute homework rule offers several benefits to students, including:

• Reduces the likelihood of students becoming overwhelmed.
• Prevents diminishing returns for academic success.
• Reduces the impact of the “homework gap,” a term indicating the disproportionate challenges faced by students who do not have access to the internet and other resources to complete homework assignments at their homes.
• Reduces impact on students who naturally take longer to complete homework assignments.

What purposes should homework accomplish?

Most homework assignments fall into one of the following four categories :

• Practice — Students have learned skills in class and practice using those skills on their own at home. For example, students learned the order of operations in math class and practice using these skills by solving some multi-step equations.
• Preparation — Students prepare to learn about a new concept in class the next day. For example, students read the first chapter of a new book which will be discussed in tomorrow’s English class.
• Study — Students review content they have already learned and practiced to prepare for a formative, unit, or benchmark assessment.
• Extend or Elaborate — Students have learned about a general concept in class, and complete individual work to expand their knowledge on the topic. For example, students learned about the formation of the United States in class, and each student will individually create a project exploring the history of a different state.

When students’ complete homework for the purpose of practicing skills, they may have single-skill assignments or cumulative assignments.

• Single-skill assignments are most effective when students need to master the skill taught in class. For example, students may list the steps of the scientific method.
• Cumulative assignments require students to decide which skill they need to use when solving a particular problem, and then properly use the skill. For example, students are presented with an experiment, must determine which steps in the scientific method need to be completed, and then must complete the experiment and demonstrate its results.

What is the most effective type of homework?

Existing studies have found that student performance is most positively affected when homework is used to build fluency, master new concepts, and proficiency. Students retain information better when the practice is conducted over several shorter sessions, rather than through one marathon session. Additionally, students should be able to use the same processes and skills with their homework assignments, which were modeled and demonstrated during class. In other words, homework assignments should be presented in the same format as classroom practices.

What are best practices for assigning homework?

Research suggests that homework is most effective when:.

• Assignments promote curiosity, leading to “ autonomous, self-directed learning .”
• Students have already “ demonstrated competence in the skill…before being asked to do it independently.”
• Teachers consider some students do not have access to the internet, a quiet working space, or homework help from parents or a tutor.
• Students understand the purpose of completing each homework assignment.
• Teachers provide feedback quickly, minimizing the chance for students to forget the assignment before they learn their scores.
• Teachers keep in mind that middle school and high school students may be assigned homework from all of their classes, and the ten-minute homework guideline applies to the combined homework load.

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How To: Choose the Right Amount of Daily Homework

Despite the differences in the recommendations from these sources, the table shows broad agreement about how much homework to assign at each grade. At grades 1-3, homework should be limited to an hour or less per day, while in grades 4-6, homework should not exceed 90 minutes. The upper limit in grades 7-8 is 2 hours and the limit in high school should be 2.5 hours.

Teachers can use the homework time recommendations included here as a point of comparison: in particular, schools should note that assigning homework that exceeds the upper limit of these time estimates is not likely to result in additional learning gains--and may even be counter-productive (Cooper, Robinson, & Patall, 2006).

It should also be remembered that the amount of homework assigned each day is not in itself a sign of high academic standards. Homework becomes a powerful tool to promote learning only when students grasp the purpose of each homework assignment, clearly understand homework directions, perceive that homework tasks are instructionally relevant, and receive timely performance feedback (e.g., teacher comments; grades) on submitted homework (Jenson, Sheridan, Olympia, & Andrews, 1994).

Attachments

• Download This Blog Entry in PDF Format: How To: Choose the Right Amount of Daily Homework
• Barkley, R. A. (2008). 80+ classroom accommodations for children or teens with ADHD. The ADHD Report, 16 (4), 7-10.
• Cooper, H., Robinson, J. C., & Patall, E A. (2006). Does homework improve academic achievement? A synthesis of research, 1987-2003. Review of Educational Research, 76 (1), 1-62. 
• Jenson, W. R., Sheridan, S. M., Olympia, D., & Andrews, D. (1994). Homework and students with learning disabilities and behavior disorders: A practical, parent-based approach. Journal of Learning Disabilities, 27 , 538-548.

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Quality Over Quantity: Elements of Effective Homework

Educators often treat homework as a Goldilocks problem. Grounded in the belief that homework is fundamentally good for students, teachers aim to optimize how much they assign. If they don’t assign enough homework, they worry their students will not learn the subject matter. If, on the other hand, teachers assign too much, students may be unduly overloaded and stressed. The goal, for many educators, is to provide students the just-right homework load.

Much of the research on homework from the past several decades uses the variable of time to understand the effects of homework. How does the amount of time students spend on homework, researchers have asked, relate to their achievement in school? Do students with more homework earn higher grades? Do they get higher scores on standardized tests? Is there an amount of time spent after which students no longer reap any benefits from completing their homework?

In our own research, students frequently cite the amount of assigned homework as a primary driver of their stress. In fact, of the 50,000 high school students from predominantly middle to upper-middle-class communities that we surveyed since 2018, 67% reported homework as a primary source of stress, with 57% of students stating they had too much homework (Challenge Success, 2020).

But it’s not just the amount of homework that may provoke student stress; it’s also the type of homework assigned. When students perceive homework to be tedious or boring, for example, or they find it too advanced or confusing, they are likely to be more stressed and less engaged, regardless of how long the assignment takes. Conversely, as some studies suggest, when students find their work purposeful, meaningful, or interesting, they may derive more benefits from completing it.

In this white paper published in 2020, we aim to broaden the conversation around homework beyond the narrow focus on time spent. Drawing from decades of research, we explore the features of homework that may benefit students and consider those that may be associated with negative results. At the end of the paper, we provide educators and parents with a set of guiding questions that we hope will inform more effective homework policies and practices.

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