Using input and outcome data from a randomized study of dual-language immersion programs in an urban district, we examine the mediating relationships of dosage, expenditures, and classroom characteristics to students' academic performance, and the moderating role of students' race/ethnicity. Differential costs of immersion were concentrated at the…

Interest has been growing in the role of students' attitudes, beliefs, and dispositions as key factors that can support or inhibit student success. A large body of emerging evidence, including multiple randomized controlled trials, shows that interventions that target academic mindsets, attitudes, and beliefs about the nature of ability and the…

Close to half of all community college students leave before obtaining their stated goals. In order to determine what student characteristics increase community college student retention, with a heightened interest on the predictive nature of taking a student success course, a post-facto quasi-experimental study was conducted to determine whether…

Chicago has been in the forefront of the country in its use of 9th-grade indicators of dropout. Catalyzed by the development of the freshman on-track indicator and research around it, Chicago school administrators, central office personnel, and external partners have developed a number of mechanisms using 9th-grade indicators to stimulate school…

This appendix provides the details that underlie the analyses reported in the evaluation brief, "After Two Years, Three Elementary Math Curricula Outperform a Fourth." The details are organized in six sections: Study Curricula and Design (Section A), Data Collection (Section B), Construction of the Analysis File (Section C), Curriculum…

In this Appendix, we provide details about the data used for the current study, the curricula used in the classrooms from which data were collected, and the current study's methodological approach. (Contains 14 tables and 5 footnotes.)[For full report, see ED544189.]

Rarely in educational research do researchers have access to data that allow them to empirically explore the impacts of programs on individual student learning over long periods of time. This element of Consortium for Policy Research in Education's (CPRE) evaluation of the America's Choice comprehensive school reform design is one of those…