Educators and policy makers confront challenging questions of ethics, justice, and equity on a regular basis. Should teachers retain a struggling student if it means she will most certainly drop out? Should an assignment plan favor middle-class families if it means strengthening the school system for all? These everyday dilemmas are both utterly…

In general, retention at any grade level has not improved student achievement or social adjustment. Skimpy data on transition rooms seem to indicate that they are not very successful either. The reasons that have been given to explain why retention has not worked range from the school's inability to diagnose student needs to rigid curriculum and…