According to national survey data, access to and participation in professional development varies widely across states, and the quality of professional development across most states is far from meeting research-based definitions of effective professional development, with a few pockets of excellence in some states. In this study, "Teacher…

This article argues that a principal's actions can create site-based conditions that can grow a staff's capacity to improve instruction, depending on how a principal conceives of, organizes, and structures learning opportunities for teachers. The article analyzes the leadership of one principal as an example of how leaders can develop…

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;…