Purpose: This study investigated the links between states' principal evaluation policies and student achievement. We focused on three levers that policymakers have used to hold principals accountable for improving student achievement: (1) including student academic growth data, (2) mandating observations of principal behavior (site visits), and…

This study examines what forms of data school leaders use, how they matter for students' learning, and which school contexts matter for such leadership practices to succeed. Utilizing hierarchical linear modeling, we analyzed survey responses from 1,381 school leaders and administrative data from 269 Florida schools. We find that although school…

This playbook draws from the findings of "Gaining Ground in the Middle Grades," the largest empirical study of this grade level conducted to date. The "Gaining Ground in the Middle Grades" study was designed to find out what higher-performing schools do differently. The result is a compelling set of specific, actionable…