The purpose of this study was to estimate the average time English Learners (ELs) take to exit English Language programs and identify factors associated with their pace of exit. The sample included 25,581 students who were classified as English Learners in Collier County Public Schools before December 31, 2021. Among these students, 20,879 exited…

Using data from economics and history courses taught across multiple semesters, the authors show that a triweekly meeting frequency improves student performance relative to a biweekly meeting frequency. There is evidence that this effect operates through two channels. First, there is an indirect effect that operates through attendance. While…

This report is the fourth in a series of follow-up analyses of nine longitudinal studies addressing the costs and effectiveness of alternative types of early intervention for children with disabilities. An introduction provides an historical perspective and conceptual framework for the studies, including common study elements and how research…