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What Works Clearinghouse


The Registry of Randomized Controlled Trials (RCTs) provides users the opportunity to search for ongoing and completed education-related studies.

To search for RCTs:
Filter results on the word/phrase:   

Limit Results To

Types Of StudentsGrade LevelsType Of DisabilityStudy StatusUnit Of Randomization
Search for RCTs that include any of these student race/ethnicity target populations:
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The information in the Registry of Evaluation Researchers and the Registry of Randomized Controlled Trials is supplied solely by the researchers themselves. Neither the What Works Clearinghouse (WWC) nor the U.S. Department of Education endorses any individuals or organizations listed in the registries. The WWC does not verify the accuracy of the information submitted by the researchers, nor does it assess their qualifications. The WWC does not provide confidentiality of any information provided to the registries.