At the request of Pittsburgh Public Schools and the Pittsburgh Federation of Teachers, Mathematica has developed value-added models that aim to estimate the contributions of individual teachers and schools to the achievement of their students.

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.

This report presents trends on the implementation of Title I parental choice options from the National Longitudinal Study of No Child Left Behind and the Study of State Implementation of Accountability and Teacher Quality Under No Child Left Behind. In 2006-2007, 6.9 million students were...

This study describes how eight early-adopting school districts are using two types of alternative measures for assessing teacher effectiveness: value-added models that use the results of end-of-course assessments or commercially available tests in statistical growth models instead of typical...

This PowerPoint presentation was made at the American Educational Research Association Annual Meeting.

A new analysis from the National Study of Charter Management (CMO) Effectiveness provides the first systematic evidence available on the effects of CMOs on the critical long-term outcomes of high school graduation and college entry. The study shows that some—but not all—CMOs...

A new Mathematica study, conducted with the Center on Reinventing Public Education, highlights approaches five successful charter school management organizations (CMOs) use to help improve student achievement. This report expands on a previous report showing that CMOs with the greatest positive...