The Best Evidence Encyclopedia [1] or BEE website provides information about the strength of the evidence supporting programs available to all school students. The content takes the form of accessible summaries of systematic reviews. To be included, reviews must cover all relevant studies, focus on experimental or strong quasi-experimental designs and summarize the size of effect on child outcomes attributable to the intervention. The website was created by the Johns Hopkins University Center for Data-Driven Reform in Education (CDDRE) under funding from the Institute of Education Sciences in the US Department of Education.
Links:
[1] http://www.bestevidence.org