Beginning from 1 high-poverty, historically low-achieving secondary school's successful turnaround work, this article provides data relative to a successful school turnaround, the importance of external and system-level supports, and the importance of building for sustainable institutionalization of improvements. The evidence suggests the…

If our schools were a research project, we'd say that while some aspects of our schools are highly valid, our overall academic systems aren't reliable. If educators are to meet the challenge of leaving no child behind, schools will have to improve with much greater reliability. In the mid-1990s, a group of British secondary schools decided to work…