It is widely accepted that professional learning is a crucial aspect of the ongoing professional practice of educators. But how should this professional learning take place, and what arrangements enable and constrain practices associated with educator learning? In this article, we explore two case studies of action research projects: one…

This study investigated the extent to which teacher professional development led to changes in science instruction in K-2 classrooms in rural school districts. The research specifically examined changes in (a) teachers' content knowledge in science; (b) teachers' self-efficacy related to teaching science; (c) classroom instructional time allotted…