Background/Context: The role of the principal, and especially the role of the principal in promoting school reform to increase student achievement, is a topic with a long and evolving history. Principals are believed to play a critical role in school reform because they have the potential to impact all aspects of school policy, from time allocated…

Background/Context: School districts are responsible for helping schools improve learning for students. However, many district initiatives conflict with each other or with existing instructional practices in schools. Recent research on urban school reform points to the value of program coherence in sustaining school change. Our paper addresses an…