The Playworks program, an initiative of the Robert Wood Johnson Foundation, places full-time coaches in low-income schools to provide opportunities for organized play during recess and throughout the school day. Using random assignment, Mathematica and the John W. Gardner Center for Youth and...

Ideally, nonexperimental methods that aim to replicate the results of rigorous randomized experiments focus on the intent to treat (ITT) experimental impact estimate, the most causally rigorous measure. This working paper develops a new replication approach that facilitates testing...

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....

Examines work-based learning activities in high school, noting that a diverse mix of students--including both high- and low-achievers--participates in some work-based activity. However, females are more likely to do so than males. Also notes that internships arranged through school are in a...

In the first rigorous study of the impacts of Expeditionary Learning (EL) model schools, Mathematica found that EL middle school students perform better in reading and math than their counterparts in other public schools.

Helping students formulate career goals and prepare for successful careers continues to be an important educational objective pursued by many high schools. This report examines the challenges faced by a recent cohort of high school students as they sought to define and achieve their goals, the...