Over the past twenty years, efforts to turn around low-performing schools have increasingly become a central component of federal and state education policy agendas. The purpose of the study was to evaluate the impact of the Wraparound Zones Initiative (WAZ), a program supported by the Massachusetts Department of Elementary and Secondary Education…

Randomized experiments are often considered the strongest designs to study the impact of educational interventions. Perhaps the most prevalent class of designs used in large scale education experiments is the cluster randomized design in which entire schools are assigned to treatments. In cluster randomized trials (CRTs) that assign schools to…