This article measures the achievement impacts of 41 Knowledge Is Power Program (KIPP) charter middle schools nationwide and found consistently positive and statistically significant test-score effects in reading, math, science, and social studies.

Notes test score impacts for African Americans but not Latinos after three years. Also reveals higher levels of parent satisfaction with private schools and some aspects of the school climate.

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

This article draws on data and experiences observing and analyzing school lotteries from the National Evaluation of Charter School Impacts to describe challenges associated with lottery-based research. It presents evidence on the prevalence of oversubscribed charter middle schools and compares...

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