Top-performing education systems require aspiring principals to have teaching experience, leadership qualifications, and often leadership training programs.

From leading Australian researcher Ben Jensen, this report analyzes the way four high-performing systems provide professional learning to their teachers.

Marc Tucker, Judy Codding, and a stellar list of experts from the United States and abroad paint a revealing portrait of what it means to be a principal now and how to apply the very best practices in the world to solve the crisis in school leadership.