Increased school choice is leading to enrollment patterns that do not reflect attendance in the neighborhood school. The impact of this increased mobility on scholastic achievement is still undecided, in part because of the difficulty in untangling compositional and contextual effects on educational outcomes. This article uses data from the Los…

Most discussions of charter schools assume that they are monolithic. While the media, researchers, and policymakers are obsessed with comparing charters to traditional public schools, there's been little interest in comparing different types of charter schools to one another--until now. This study--the first of its kind--categorizes the nation's…

Discusses the findings of a study of the academic records of some 32000 students enrolled in five California community colleges which admitted anyone over 18 who applied in 1970 and 1971; the academic records of students with and without a high school diploma were compared. (Author/JM)