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…

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…