Since their inception in 1992, the number of charter schools has grown to more than 6,800 nationally, serving nearly three million students. Various studies have examined charter schools' impacts on test scores, and a few have begun to examine longer-term outcomes including graduation and college attendance. This paper is the first to estimate…

One of the most important questions in education research is whether the gains from interventions for which perceived short-term success can be sustained. The possibility of short-lived impacts is especially relevant for research on charter schools, where charter operators who face high-stakes assessments have an incentive to "teach to the…

Charter schools--public schools of choice that are operated autonomously, outside the direct control of local school districts--have become more prevalent over the past two decades. There is no consensus about whether, on average, charter schools are doing better or worse than conventional public schools at promoting the achievement of their…

With funding from the Bill and Melinda Gates Foundation, CRESST conducted a multi-year evaluation of a major school reform project at Alain Leroy Locke High School, historically one of California's lowest performing secondary schools. Beginning in 2007, Locke High School transitioned into a set of smaller, Green Dot Charter High Schools,…