When charter schools first entered the landscape, the debate was contentious, with both advocates and critics using strong rhetoric. Advocates often sold charter schools as a silver bullet solution for not only the students who attend these schools, but the broader traditional public school system as well. Similarly, critics painted charter…

As a condition of its i3 grant, KIPP contracted with an independent evaluator (Mathematica) to address a key research question: does KIPP maintain its demonstrated effectiveness as it scales? While this question sounds simple enough in theory, it poses several methodological and practical challenges. This paper outlines some of those key…

The study examined the effect of being offered enrollment at a charter middle school on student achievement and behaviors. The study analyzed data from two cohorts of more than 2,100 students in 29 sites across 15 states between 2005 and 2008. Enrollment offers at each charter school were granted by lottery. The study compared outcomes of students…

This study examined the effects on academic achievement of offering students enrollment in the Promise Academy charter middle school. The school is sponsored by the Harlem Children's Zone[R], which combines reform-minded charter schools with a web of community services designed to provide a positive and supportive social environment outside of…