The purpose of this study was to examine whether the concept of the ninth grade academy structure in Texas high schools affects a variety of variables indicative of student achievement. Data representative of performance by students served in 30 schools with a separately structured ninth grade academy were compared to data representative of…

The main goal of this study was to illustrate and provide some direction for dealing with the complexities of propensity score matching within different multilevel contexts. Special attention is given to how procedures typically applied in a non-hierarchical setting may be modified to properly reduce the expected bias in the estimated treatment…

The Los Angeles Unified School District (LAUSD) serves a large majority of socioeconomically disadvantaged students who are struggling academically and are underprepared for high school graduation and college. This article describes the partnership between LAUSD and the Los Angeles Education Research Institute, and how this collaboration endeavors…

This report presents the findings of a rigorous experimental impact evaluation and implementation study of one such intervention, the Content Literacy Continuum (CLC), developed by researchers at the University of Kansas Center for Research on Learning. This evaluation of CLC was conducted by three partnering organizations: REL Midwest, MDRC, and…

This study demonstrates the impact of an Early Reading First intervention on preschool children's language and literacy development using an ex post facto, causal-comparative research design. The project's professional development model was evaluated to produce a process and outcome evaluation to answer two overarching research questions: (1) What…