This report presents the first findings from a multi-year evaluation of the Knowledge Is Power Program (KIPP), a network of charter schools for disadvantaged students. Using a matched comparison group design, results show that for the vast majority of KIPP schools in the evaluation, impacts on...

This working paper compares teacher/student links that have undergone a roster confirmation process—whereby teachers verify the subjects and students they taught—to teacher/student links from unconfirmed administrative data. Due to the departmentalization of instruction in math and...

A new longitudinal national study of the practices and effectiveness of charter-school management organizations (CMOs) reveals a wide range of organizational models and educational strategies, with achievement effects that are more often positive than negative but vary substantially among CMOs....

This report shows that Knowledge Is Power Program (KIPP) middle schools have significant and substantial positive impacts on student achievement in four core academic subjects: reading, math, science, and social studies. One of the report’s analyses confirms the positive impacts using a...