Over the last decade, most states have adopted new college- and career-readiness standards in math and English language arts (ELA), standards that call for the mastery of ambitious content and raise expectations for student success and classroom instruction. To support teachers in the implementation of these new, challenging standards, the Center…

There are urgent calls for more studies examining the impact of Professional Development (PD) programs on teachers' instructional practices. In this study, we analyzed how grades 5-9 mathematics teachers used graphs to teach mathematics at the start and end of a PD program. This topic is relevant because while many studies have investigated…

Online conversations help teachers engage in constructive criticism and attend more carefully to aligning lesson plans with problem solving. This article describes a strategy for using an online discussion board to help teachers evaluate one another's lesson plans. The online peer-review activity suggests that fostering critical pedagogical…