Social science research suggests that reducing class size has its largest effects on the achievement of minority and inner-city children during the first year of formal schooling. Despite scholarly disagreements about the implications of specific studies on class size, economists generally agree that targeted class-size policies rest on stronger…

Over the past 25 years, five large-scale research studies of community college students have been conducted in North Carolina, involving cooperation between Duke University, North Carolina State University, and the North Carolina Department of Community Colleges. The different research strategies employed in these studies can be seen as taking one…