During the past decade, there has been a growing recognition among educators and policymakers that school principals must be instructional leaders who ensure that high-quality teaching occurs in every classroom. This view is backed up by a solid body of evidence showing that leadership places second only to teaching among school-related influences on learning. In culling lessons from 13 years of research that describes what effective principals do well, The Wallace Foundation has found they perform five key practices: Shape a vision of academic success for all students; Create a climate hospitable to education; Cultivate leadership in others; Improve instruction; and Manage people, data, and processes to foster school improvement. These practices are explored in depth in the Wallace Foundation report, The School Principal as