There is a national movement to universalize the high school curriculum so that all students graduate prepared for college. The present work evaluates a policy in Chicago that ended remedial classes and mandated college preparatory course work for all students. Based on an interrupted time-series cohort design with multiple comparisons, this study…

This article discusses an instructional development system called "holistic" approach, a strategy to improve high school education in Chicago. The initiative includes new curriculum materials, aligned to district standards, as well as assessments and ongoing teacher coaching and training that are designed for the curriculum. The design…