We present results from a meta-analysis of 95 experimental and quasi-experimental pre-K-12 science, technology, engineering, and mathematics (STEM) professional development and curriculum programs, seeking to understand what content, activities, and formats relate to stronger student outcomes. Across rigorously conducted studies, we found an…

Research shows that during summer, low-income and non-white students fall behind academically compared with their more-affluent and white peers. To understand whether and how district-led voluntary summer learning programs can improve outcomes for low-income students, The Wallace Foundation initiated the National Summer Learning Project in 2011 in…

As numerous studies from 1906 on have confirmed, children lose ground in learning if they lack opportunities for building skills over the summer. Nonetheless, summer learning loss comes up but rarely in the national discussion of education reform. By the end of summer, students perform on average one month behind where they left off in the spring.…