Policymakers across the nation are leading efforts to ensure that every classroom has an effective teacher. Faced with the need to dramatically improve student outcomes, states have embraced a policy agenda that promotes and supports teacher quality in many ways, including developing evaluation and compensation policies, targeting professional…

Background: Through its Children First initiative, New York City policymakers promoted collaborative inquiry as a process for helping administrators and teachers use student data to improve instruction and raise student achievement. Since 2007, city schools were expected to engage higher proportions of faculty in the inquiry work each year.…