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...

Describes how various components of Mathematica's complex study fit together and explains perspectives and principles related to 1) distinguishing implemented programs from intended ones, 2) ensuring broad coverage to explore competing theories of effective programming, 3) collecting...

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...

This publication, the first major report on the Early Head Start national evaluation, focuses on early implementation experiences and tells the story of the 17 programs that helped launch the first nationwide program for low-income infants and toddlers.

This publication, the first major report on the Early Head Start national evaluation, focuses on early implementation experiences and tells the story of the 17 programs that helped launch the first nationwide program for low-income infants and toddlers.