In Chicago, over a quarter of students fail at least one semester of algebra in their ninth grade year, and only 13% of students who fail both semesters of Algebra I in ninth grade graduate in 4 years. Offering credit recovery options is one strategy to deal with high failure rates. The primary goal of credit recovery programs is to give students…

When using time series accountability data to evaluate system-wide education policies, concurrent changes often pose threats to internal validity. The standard difference-in-differences (DID) method resorts to a non-equivalent comparison group whose average outcome change is due to such confounding. This strategy relies on the strong assumption…

The purpose of this research is to study the long-run impacts (i.e. on educational attainment) of a freshman math intervention called "double-dose algebra". The intervention was conducted in 2003 and 2004 within the Chicago Public Schools (CPS), a large, poor urban school district. In response to low passing rates in 9th grade algebra,…

The consequences of failing core academic courses during the first year of high school are dire. In the Chicago Public Schools (CPS), only about one-fifth of off-track freshmen--students who fail more than one semester of a core academic course and/or fail to earn enough credits to be promoted to 10th grade--graduate high school, compared with…

Communities That Care (CTC) is a prevention system designed to reduce adolescent substance use and delinquency through the selection of effective preventive interventions tailored to a community's specific profile of risk and protection. A community-randomized trial of CTC, the Community Youth Development Study, is currently being conducted in 24…

This study evaluates a curriculum policy that required college preparatory coursework for all students, using data from Chicago Public Schools (CPS). Beginning in 1997, CPS ended remedial coursework and required all students to complete a college-preparatory course sequence for graduation. In this study, the authors constrain their analysis to the…