This policy brief is part of a larger research report, "Making ESSA's Equity Promise Real: State Strategies to Close the Opportunity Gap," that describes how states are using opportunities in ESSA [Every Student Succeeds Act] to better support historically underserved students through the thoughtful selection of specific equity measures…

Policy shapes practice, and the increasingly important realm of professional development is no exception. To identify effective professional development policies and strategies, a Stanford University research team examined the policy frameworks supporting high levels of professional development activity in four states--(1) Colorado; (2) Missouri;…

This report is the third of a three-phase research study of teacher professional learning opportunities in the United States. In this third phase of the research, the authors conducted case studies of four professionally active states to get a deeper look at the policy frameworks that support professional development in those states. These…