Accounting for a quarter of a school's impact on student achievement, principals are the leverage point for education reform and the primary drivers of school improvement. School leaders have a greater influence on all students than teachers and are the best long-term investment in effective teaching at scale. Like all professionals, teachers,…

Principals are critical to the success of any school improvement effort--from increasing academic rigor toward college- and career-ready standards to teacher evaluation and support. They ensure this success by building a strong, shared vision and leading effective implementation for staff, students, and families. The federal government has an…