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…

As professional learning communities (PLCs) are proliferating as a form of teacher professional development, it is important to understand what "PLC work" is and how it impacts teacher learning. This article reports on secondary science and mathematics teachers' participation in PLCs and engagement in collaborative inquiry. The PLC provided a…

Background/Context: Schools and districts are increasingly emphasizing evidence-based decision making as a means for improving teaching and learning. In response, professional development efforts have shifted toward situated, sustained activities that involve groups of teachers in reflective inquiry about student learning data, instructional…