Background/Context: The type of professional development provided for teachers has been undergoing change from a one-time workshop approach to a more embedded, long-term, reflective, and collaborative structure. Although findings on the impact of new forms of professional development (PD) are beginning to emerge in the literature, there is little…

Through the process of initiating, implementing, and sustaining a schoolwide professional learning community (PLC), teachers and administrators at the pseudonymous Silver Valley Middle School provide a powerful example of distributed leadership in action. New leadership roles, coordination, and interdependency among staff have led to an increased…

This article presents five case studies of grade six to grade eight science and mathematics teachers engaged in supported collaborative inquiry. The research focus is on teachers' growth trajectories related to their participation in professional learning communities supported through a professional development project. There were noticeably…