Few interventions reduce inequality in reading achievement, let alone higher order thinking skills, among adolescents. We study "policy debate"--an extracurricular activity focused on improving middle and high schoolers' critical thinking, argumentation, and policy analysis skills--in Boston schools serving large concentrations of…

This national study provides a comprehensive analysis of the instructions days lost due to out-of-school suspensions in 2015-16 for middle and high school students, for every state and district. The study also demonstrates how the frequent use of suspension contributes to stark inequities in the opportunity to learn, especially for those groups…

This "Policy Insight" is a supplement to the Western Interstate Commission for Higher Education's (WICHE's) annual "Benchmarks" indicators, which summarize the Western states' progress with improving access to, success in, and financing of higher education. This brief explores one variant for how WICHE states might meet…

In 2002/03, the Charlotte-Mecklenburg Schools initiated a broad program of accelerating entry into algebra coursework. The proportion of moderately-performing students taking 8th grade algebra increased from less than half to nearly 90%, then reverted to baseline levels, in the span of just six age cohorts. We use this policy-induced variation to…

Funders and program planners want to know: What does it cost to operate a high-quality after-school or summer program? This study answers that question, discovering that there is no "right" number. Cost varies substantially, depending on the characteristics of the participants, the goals of the program, who operates it and where it is located.…