To best train and support school leaders in their evolving roles, they require high-quality preparation and in-service pipelines that both address the changing demands on their positions and acknowledge the cascading effects that well-prepared leaders have on both student outcomes and in school culture and retention. Including school leaders in…

Numerous studies document the inequitable distribution of teacher quality across schools. We focus instead on the distribution of principal quality, examining how multiple proxies for quality, including experience, teachers' survey assessments of leaders, and rubric-based practice ratings assigned by principals' supervisors, vary by measures of…