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…

This study examined the effects of two types of course delivery systems (learning community classroom environments versus stand-alone classroom environments) on the achievement of students who were simultaneously enrolled in remedial and college-level social science courses at an inner city open-enrollment public community college. This study was…

Longitudinal case study of reform efforts centering on the Talent Development Middle School model at low-performing, high-poverty middle school in Philadelphia. Finds that student gains in mathematics, science, and reading achievement at subject school exceeded that of students in comparable school. (Contains 19 references.) (PKP)

This evaluation assesses the impact of New Jersey's Reading Recovery program on first-grade students in the Newark School District. The report presents results from two cohorts and is divided into two main sections. Section 1 deals with the achievement of the students from the 1991-1992 academic year. Their performance at the end of first grade in…

Urban Head Start graduates were compared with comparably poor Pre-K graduates in this longitudinal study, in an effort to evaluate the long-term effects of the Head Start program. A sample of 227 children were included in an analysis of third-grade report cards, standardized Comprehensive Test of Basic Skills (CTBS) achievement scores, and a…