A growing body of research points to the ways in which principals influence teachers, classrooms, and, ultimately, student achievement. New Leaders aims to prepare transformational school leaders by partnering with districts and charter schools to offer rigorous, research-based training for aspiring principals. The Aspiring Principals program is…

These appendixes provide supplemental detail about the analyses and findings presented in Preparing School Leaders for Success: Evaluation of New Leaders' Aspiring Principals Program, 20120-2017 (Gates et al., 2019). This material will be of interest to technically oriented readers who seek more information about the information presented in the…