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What Works Clearinghouse

Evidence for What Works in Education

We review the research on the different programs, products, practices, and policies in education.

Then, by focusing on the results from high-quality research, we try to answer the question “What works in education?”

Our goal is to provide educators with the information they need to make evidence-based decisions.

Publications & Products


Get started with free products from the WWC:

Or search by topics in education.


Anyone who believes that an error has been made can contact the WWC Help Desk. Their concern will be reviewed by methodologists and content experts on the independent WWC Quality Review Team. Upon making a determination, the WWC will respond with a complete explanation of the review and any actions to be taken. If the WWC identifies an error, the report will be corrected and updated with information about when and why the modification was made.