Harnessing a cluster randomized controlled trial, we estimated the impact on students' advanced placement (AP) examination performance of a project-based learning (PBL) approach to AP compared with a lecture-based AP approach. Through PBL, teachers primarily play a facilitator role, while students work on complex tasks organized around central…

To be more responsive to students' needs, many local education agencies (LEAs) are creating extended and summer learning opportunities to facilitate learning acceleration. Many LEAs elected to leverage federal funds to create opportunities that increase the time students spend engaged in safe, inclusive, and supportive learning environments,…

The College and Career Readiness Expansion project was a five-year, federally funded effort to implement early college strategies in comprehensive high schools. This report presents the results from a quasi-experimental impact study of the project and a mixed methods examination of its implementation. Results showed that the program increased the…