TNTP (formerly The New Teacher Project), an organization committed to ending educational inequities by promoting the recruitment, training, and retention of high-quality teachers and school leaders, implemented its Teacher Effectiveness and Certification (TEACh) initiative in three urban school districts. Through TEACh, TNTP works with school…

The contributions of assistant principals (APs) toward improving student and staff outcomes has not yet been a focus of much empirical research. In recent years, as the increased focus on improving student outcomes has shifted expectations and APs are now expected to perform some instructional leadership tasks, such as coaching and evaluating…

The purpose of this study was to evaluate the Pathway to Leadership in Urban Schools (PLUS) program as implemented in a large urban school district. The program was designed to select and develop school assistant principals (APs) to be more effective at instructional leadership. The study spanned four school years, 2015/16 through 2018/19, and…

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…