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Homework (Secondary)

Moderate impact, very low cost, based on limited evidence

Average cost
Evidence security
Months' impact
+ 5 months

There is some evidence that homework is most effective when used as a short and focused intervention.

What is it?

Homework refers to tasks given to students by their teachers to be completed outside of usual lessons. Common homework activities in secondary schools include completing tasks assigned in lessons, preparing for tasks in future lessons, routine coursework, and revision for tests and examinations. Our definition also includes activities such as ‘homework clubs’ where students have the opportunity to complete homework in school but outside normal school hours, and ‘flipped learning’ models, where students prepare at home for classroom discussion and application tasks.

How effective is it?

The evidence shows that the impact of homework, on average, is five months' additional progress. However, beneath this average there is a wide variation in potential impact, suggesting that how homework is set is likely to be very important.

There is some evidence that homework is most effective when used as a short and focused intervention (e.g. in the form of a project or specific target connected with a particular element of learning) with some exceptional studies showing up to eight additional months' positive impact on achievement. Benefits are likely to be more modest, up to two to three months' progress on average, if homework is more routinely set (e.g. learning vocabulary or completing practice tasks in mathematics every day).

Evidence also suggests that how homework relates to learning during normal school time is important. In the most effective examples homework was an integral part of learning, rather than an add-on. To maximise impact, it also appears to be important that students are provided with high quality feedback on their work (see Feedback).

Some studies indicate that there may be an optimum amount of homework of between one and two hours per school day (slightly longer for older students), with effects diminishing as the time that students spend on homework increases.

Since 2012, evidence reviews on homework in schools have been published in New South Wales and Victoria. Both reviews stated that the evidence for the positive impact of homework on learning was stronger at secondary level than at primary level. The Victorian reviewers noted that few high-quality studies had been conducted in Australia, suggesting that new research would be worthwhile.

How secure is the evidence?

Homework has been extensively researched. There is a relatively consistent picture that students in schools which give more homework perform better. However, there are only a small number of studies which have investigated whether this relationship is due to the homework itself, rather than other school factors. These studies compare classes where homework is introduced to similar classes where homework is not given. They tend to show that homework can be beneficial, but this finding is less secure than the first, because of the smaller number of studies and the quality of the evidence.

What are the costs?

There are few costs associated with homework, though there are implications for staff time for preparation and marking. With younger children there may be additional resources required (such as reading books or games for children to take home). Overall costs are estimated as very low.

There are few costs associated with homework, though there are implications for staff time for preparation and marking, and in some cases additional resources such as reading books may be required. Overall, costs are estimated as very low.

What should I consider?

Planned and focused activities are more beneficial than homework which is more regular but may be routine or not linked with what is being learned in class.

The broader evidence suggests that homework should not be used as a punishment or penalty for poor performance.

A variety of tasks with different levels of challenge is likely to be beneficial.

The broader evidence suggests that the quality of homework is more important than the quantity. Students should receive specific and timely feedback on homework.

Have you made the purpose of homework clear to children (e.g. to increase a specific area of knowledge, or fluency in a particular area)?

Copyright © The Education Endowment Foundation. All rights reserved.

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Further reading
  • Australasian Research Summary
  • Does homework contribute to student success?
  • Should Australian schools ban homework?
  • Inquiry into the approaches to homework in Victorian schools
  • Teacher’s bookshelf: Rethinking homework
  • Too much help with homework can hinder your child’s learning progress
  • Music homework – solitary and deliberate
  • E-homework is widening the gap for disadvantaged students

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