No Homework Information

Piling on the homework doesn't help kids do better in school. In fact, it can lower their test scores.

That's the conclusion of a group of Australian researchers, who have taken the aggregate results of several recent studies investigating the relationship between time spent on homework and students' academic performance.

According to Richard Walker, an educational psychologist at Sydney University, data shows that in countries where more time is spent on homework, students score lower on a standardized test called the Program for International Student Assessment, or PISA. The same correlation is also seen when comparing homework time and test performance at schools within countries. Past studies have also demonstrated this basic trend.

Inundating children with hours of homework each night is detrimental, the research suggests, while an hour or two per week usually doesn't impact test scores one way or the other. However, homework only bolsters students' academic performance during their last three years of grade school. "There is little benefit for most students until senior high school (grades 10-12)," Walker told Life's Little Mysteries.

The research is detailed in his new book, "Reforming Homework: Practices, Learning and Policies" (Palgrave Macmillan, 2012).

The same basic finding holds true across the globe, including in the U.S., according to Gerald LeTendre of Pennsylvania State University. He and his colleagues have found that teachers typically give take-home assignments that are unhelpful busy work. Assigning homework "appeared to be a remedial strategy (a consequence of not covering topics in class, exercises for students struggling, a way to supplement poor quality educational settings), and not an advancement strategy (work designed to accelerate, improve or get students to excel)," LeTendre wrote in an email. [Kids Believe Literally Everything They Read Online, Even Tree Octopuses]

This type of remedial homework tends to produce marginally lower test scores compared with children who are not given the work. Even the helpful, advancing kind of assignments ought to be limited; Harris Cooper, a professor of education at Duke University, has recommended that students be given no more than 10 to 15 minutes of homework per night in second grade, with an increase of no more than 10 to 15 minutes in each successive year.

Most homework's neutral or negative impact on students' academic performance implies there are better ways for them to spend their after school hours than completing worksheets. So, what should they be doing? According to LeTendre, learning to play a musical instrument orparticipating in clubs and sports all seem beneficial, but there's no one answer that applies to everyone.

"These after-school activities have much more diffuse goals than single subject test scores," he wrote.  "When I talk to parents … they want their kids to be well-rounded, creative, happy individuals — not just kids who ace the tests."

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TO GIVE OR NOT TO GIVE HOMEWORK…That is the question!

The amount of homework students are given differs greatly across grade levels and states. Some students are given hours of work while other students are assigned little or no work to be done at home.

So what’s appropriate? What is the purpose of homework? What are the advantages and disadvantages of homework? How much homework should be assigned? How important is the quality of the assignments? And most importantly: Does homework increase student achievement?

These questions represent the ongoing debate surrounding homework for the past two decades. According to a survey by the University of Michigan, homework has doubled over the last twenty years, especially in the younger grades, due to the school’s requirement to meet higher-than-ever achievement goals for children. Although homework has academic and non-academic advantages and disadvantages, the majority of studies conducted reveal inconclusive evidence that assigning homework increases student achievement. Most studies show positive effects for certain students, others suggest no effects, and some even suggest negative effects according to research by Alfie Kohn, an independent scholar (2006).

Let’s begin with the purpose of homework…

Educators assign homework for different reasons and purposes. Homework is assigned either as practice, preparation, extension, or integration of grade-level skills and concepts.

PRACTICE HOMEWORK reinforces learning from the skills and concepts already taught in the classroom. Practice homework promotes retention and automaticity of the concept, skill, and content taught. Examples include practicing multiplication facts or writing simple sentences in order to commit theses skills and concepts to long-term memory.

PREPARATION HOMEWORK is assigned to introduce content that will be addressed in future lessons. However, research suggests that homework is less effective if it is used to teach new or complex skills. For these types of assignments, students typically become stressed which can create a negative perspective towards learning and school.

EXTENSION HOMEWORK requires students to use previously taught skills and concepts and apply them to new situations or projects. For instance, students may use the concept of area and perimeter to build a flowerbed.

INTEGRATION HOMEWORK requires the student to apply learned skills and concepts to produce a single project like reading a book and writing a report on it.

Homework also serves other purposes not directly related to instruction. Homework can help establish communication between parents and children; it can be used as a form of discipline; and it can inform parents about school topics and activities.

The Homework Debate

The homework debate often focuses on how and why homework affects student learning and achievement. Harris Cooper, a professor of psychology, and colleagues (2006) found there are both positive and negative consequences of homework.

The Benefits

Homework provides practice with content, concepts, and skills taught at school by the teacher. It can foster retention and understanding of the academic content. Some studies suggest that homework correlates with student achievement. Cooper, Robinson, and Patall (2006) discovered a positive correlation between the amount of the homework students do and their achievement at the secondary level. Some studies also suggest that assigning homework improves the achievement of low-performing students and students in low-performing schools. However, the correlation between student achievement and homework given to elementary students is inconclusive. Most research only supports homework for middle and high school students (Cooper 1989a; Kohn 2006).

There are also non-academic reasons for assigning homework. Corno and Xu (2004) discovered that homework fosters independence, develops time-management skills, and teaches responsibility. Assigning homework to primary age students can establish better study habits and skills for secondary education (Bempechat, 2004). Homework promotes a positive attitude towards school and keeps families informed about their child’s learning.

The Potential Harm

Homework also has negative associations. It can lead to boredom if the student has already mastered the skills, and it can lead to loss of interest in school due to burnout.  Cheating is involved with homework by either copying another student’s work or when help is received from adults in an attempt to finish all the assignments.  Also, assigning excessive amounts of homework may result in unneeded stress and pressure on the child, which affects the student’s emotions, behaviors, thinking ability, and physical health.

The correlation between homework and student achievement is inconsistent. In TheBattle Over Homework, Cooper determined that the average correlation between the time primary children spent on homework and achievement was around zero. Not to mention, the amount of homework completed had no effect on test scores.  David Baker and Gerald  LeTendre, professors of education at Penn State, found that countries that assign minimal amounts of homework, like Japan, were the most successful school systems compared to Greece and Iran school systems where students are given a lot of work.

Another concern surrounding homework is its interference with the student’s time to relax and take their minds off work as well as family time. Students are spending too much time completing homework assignments instead of playing outside or enjoying leisure activities, which teach and enhance important life skills.

In addition, homework decreases the time spent with family. As Alfie Kohn states in The Homework Myth, “Why should children be asked to work a second shift? It’s unconscionable to send children to work for nearly eight hours a day, then have them go home and work for 2-5 more hours. Secondly, it reduces the amount of time that children could be spending with their families. Family time is especially important to a growing child and without it social problems can crop up and a family unit can be compromised by a lack of time being spent together.”

The Amount of Homework

The frequency and duration of each assignment does not necessarily suggest a correlation between homework and student achievement. “We found that for kids in elementary school there was hardly any relationship between how much homework young children did and how well they were doing in school, but in middle school the relationship is positive and increases until the kids were doing between an hour to two hours a night, which is right where the 10-minute rule says it’s going to be optimal,” stated Harris Cooper. The 10-minute rule was created by the National PTA which suggests 10 minutes per a grade should be assigned (e.g., 70 minutes for 7th grade). “After that it didn’t go up anymore. Kids that reported doing more than two hours of homework in middle school weren’t doing any better in school than kids who were doing between an hour to two hours,” said Harris Cooper.

Quantity Versus Quality

Effective homework is homework with a purpose. According to Cooper, some teachers assign ‘shotgunhomework’: blanket drills, questions, and problems. Students are given homework that is not furthering the concepts and skills. The homework is assigned because it has been drilled into our collective mind that homework produces higher performing students. However, homework is most effective when it covers material already taught, is given for review, or is used to reinforce skills previously learned. Students should not be assigned homework on concepts and skills they do not grasp.

DataWORKS Educational Research recommends assigning homework to provide additional repetitions of the content to promote retention and automaticity. The reason for homework is to practice the content, NOT to learn the content.  Students learn the content (skills and concepts) from the lesson taught at school. Students need to be able to complete the work at home without assistance because some students do not have an English-speaking parents or guardians to help them.

In conclusion, research is inconsistent in determining if homework increases student achievement. As educators, the amount, frequency, and the purpose should be considered prior to assigning homework. Homework should be used effectively! Instead of the quantity of homework, educators should improve the quality of the assignments. Homework assignments must be well-designed.  So, when assigning homework, please consider the effectiveness of it, homework should positively impact the student learning. Otherwise, the debate about homework will continue without an answer – to give or not to give!


Kohn, Alfie (2007). Rethinking Homework.

Kohn, Alfie.  The Homework Myth:  Why Our Kids Get Too Much of a Bad Thing (Cambridge, MA: Da Capo Press, 2006).

Cooper, H. (1989). Homework. White Plains, NY: Longman.

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.

What is your stance on homework? What do you think is an appropriate amount of homework? Why do you assign homework? Please share your experiences in the comment section below.

Author: Patricia Bogdanovich

Patricia has held various positions with DataWORKS since 2002. She currently works as a Curriculum Specialist. Patricia helped develop and create many of the early resources and workshops designed by DataWORKS, and she is an expert in analysis of standards. Patricia plans to blog about curriculum and assessments for CCSS and NGSS, classroom strategies, and news and research from the world of education.

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