About a decade ago, New American Schools (NAS) set out to address theperceived lagging performance of American students and the lacklusterresults of school reform efforts. As a private nonprofit organization,NAS's mission was-and is-to help schools and districts raise studentachievement levels by using whole-school designs and design team assistanceduring implementation. Since its inception, NAS has engaged in adevelopment phase (1992-1993), a demonstration phase (1993-1995), and ascale-up phase (1995-present). Over the last ten years, RAND has been monitoring the progress of the NASinitiative. This book is a retrospective on NAS and draws together thefindings from RAND research. The book underscores the significantcontributions made by NAS to comprehensive school reform but also highlightsthe challenges of trying to reform schools through whole-school designs.Divided into sections on each research phase, the book concludes with anafterword by NAS updating its own strategy for the future. This book willinterest those who want to better understand comprehensive school reform and its effects on teaching and learning within high-stakes accountability environments.