This paper uses individual student-level data from Ohio–which permits a wide range of organizations to authorize charter schools—to examine the relationship between type of authorizer and charter-school effectiveness, as measured by students’ achievement trajectories.

This report describes The Equity Project (TEP) charter school’s instructional and personnel strategies, examines the characteristics and attrition rates of TEP students, and measures TEP’s impacts on student achievement during the school’s first four years of operation.

This In Focus brief provides a snapshot of the study and findings.

This paper looks at findings from the first national randomized study of the impacts of charter schools on student achievement.

To determine how the strategy of replacing principals affected student achievement in D.C. Public Schools, the Walton Family Foundation contracted with Mathematica Policy Research. The resulting study is the first to examine the impact of such a strategy on student achievement.

To determine how the strategy of replacing principals affected student achievement in D.C. Public Schools, the Walton Family Foundation contracted with Mathematica Policy Research. The resulting study is the first to examine the impact of such a strategy on student achievement.