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…

Teacher effectiveness is typically measured by traditional teacher qualification standards, such as experience, education, and scores on licensure examinations. RAND researchers found no evidence that these standards have a substantial effect on student achievement in Los Angeles public elementary, middle, and high schools. Alternative measures of…