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…

We describe the development and initial evaluation of the efficacy of "We Have Skills!" (WHS), a video-based social skills instructional program for early elementary school students. The components of WHS were designed to be scientifically sound, maximally useful to elementary school teachers, and effective in increasing students' social…

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…

This study examined the effect of linguistic modification on middle school students' ability to show what they know and can do on math assessments. REL West's study on middle school math assessment accommodations found that simplifying the language--or linguistic modification--on standardized math test items made it easier for English Language…

In 2004, the U.S. Department of Education's Institute of Education Sciences contracted with Mathematica Policy Research to conduct a large-scale evaluation of comprehensive teacher induction. The purpose of the study was to determine whether augmenting the set of services districts usually provide to support beginning teachers with a more…

This study investigates the effects of integrating literacy instruction with biology coursework on high school student learning. It would investigate the relationship between the growth in reading achievement and biology learning. It will target schools serving especially large populations of African American and Latino students. The project will…