Among programs designed to reduce teen pregnancy, few evidence-based interventions specifically aim to reduce repeat pregnancies. Repeat pregnancies among adolescent mothers, however, are both prevalent and consequential. About one-sixth of births to adolescent mothers are repeat births. Compared to adolescent mothers with only one child, those…

The Knowledge Is Power Program (KIPP) is the nation's largest network of public charter schools. KIPP began as a network of charter middle schools designed to serve underserved communities, with the goal of closing achievement gaps and preparing students to succeed in college. KIPP has since expanded its model to include elementary and high…

This issue brief presents results of a long-term tracking study that follows 1,177 students who applied to enter 1 of 13 oversubscribed KIPP [Knowledge Is Power Program] middle schools through a 5th- or 6th-grade admissions lottery in 2008 or 2009. Those students are now old enough to have attended college for at least two years. This study uses a…

In partnership with the Louisiana Department of Education and through a grant from the Walton Family Foundation, Mathematica conducted a study that measured each Louisiana public high school's promotion power, which is a school's effect on the long-term success of its students as indicated by high school graduation, college or career readiness,…

This brief benchmarks the postsecondary outcomes of students in College Track, a comprehensive college preparation program for students from underserved communities. College Track and Mathematica have partnered to conduct a rigorous experimental evaluation of the program, but results will not be available for several years. In the meantime,…