Helping English learners and students from economically disadvantaged backgrounds read and perform academically as well as their more advantaged peers remains a struggle for many schools seeking equitable outcomes for their students. Research suggests that an increased focus on learning of academic language--the formal language used to read,…

Strong literacy skills are crucial to ensuring an individual's future educational and economic success. Existing evidence suggests the transition from elementary to middle school is a decisive period for literacy development. In this paper I investigate the impact of extended learning time in literacy instruction on subsequent cognitive outcomes.…

This paper presents an executive summary of a study that uses a regression discontinuity (RD) design to assess the potential benefits of offering SES in districts that have unmet need. Specifically, the study focuses on six school districts in which more eligible students applied for SES than could be served with available funds (i.e.,…

This report presents the findings of an evaluation sponsored by the Institute of Education Sciences (IES) at the U.S. Department of Education (ED) and conducted by Mathematica Policy Research (Mathematica) that uses a regression discontinuity (RD) design to assess the potential benefits of offering SES in districts that have unmet need.…

School districts required under No Child Left Behind to provide supplemental educational services (SES) to students in schools that are not making adequate yearly progress rely heavily on the private sector to offer choice in service provision. If the market does not work to drive out ineffective providers, students will be less likely to gain…