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Federal and local governments continue to invest billions of dollars each year in professional development for teachers. Until recently, there has been little rigorous evidence to inform the design and delivery of these programs. This brief outlines the key findings from three random assignment PD evaluation studies and proposes areas ...

In an era of increasingly rigorous state standards, teachers at all grade levels face heightened expectations to deepen their students’ understanding of mathematical concepts. This report examines the impact of content-intensive professional development on teachers’ math content knowledge, their instructional practice, and their students’ achievement. ...

The recent increased attention to teacher evaluation has raised questions about the relationship between evaluation and student outcomes. This research and policy brief lays out an informal framework for using evaluation results to target professional growth opportunities for teachers within an aligned system of evaluation, leading to higher levels of ...

Principals influence student learning by leading efforts to improve school climate; recruiting, retaining, and supporting effective teachers; and driving organizational change. Too often, however, states and districts focus on teachers rather than principals when planning for professional supports. This brief offers an easy to digest overview of current school leadership ...

While a new report concludes that “most teachers do not appear to improve substantially from year to year," Jane Coggshall argues we should not conclude that we should throw out all teacher professional development because it’s a waste of money. What’s needed instead, she says, is a broad set of ...