Skip Navigation

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.


Nearly forty percent of studies eligible for review meet standards and very few of them are large. That’s almost 800 studies, a number that continues to grow as the WWC conducts reviews on a regular basis. You can find all of these in our Database of Reviewed Studies.