Principal leadership is a crucial element in high-performing schools. Research reveals that principals are second only to teachers in impacting student achievement at school. Accordingly, how school leaders are prepared has received increasing attention in recent years. Drawing from the findings of recent reports highlighting exemplary programs and best practices, authors Bonnie C. Fusarelli and Lance D. Fusarelli identify several research-based best practices for improving principal preparation. They include recommendations to scale up best practices nationwide.