New teacher evaluation systems have emerged as the cornerstone of the recent movement to improve public school teaching. Fueled by incentives from the federal government, state and local policymakers have sought to replace the often-cursory evaluation models of the past with more comprehensive ones. In contrast to past evaluations, which often…

Evaluation studies can provide feedback on implementation, support continuous improvement, and increase understanding of evaluation systems' impact on teaching and learning. Despite the importance of educator evaluation studies, states often need support to prioritize and fund them. Successful studies require expertise, time, and a shared…

In this article, we explain how overly prescriptive, rigid state statutory and regulatory policy frameworks regarding teacher evaluation, tenure and employment decisions outstrip the statistical reliability and validity of proposed measures of teaching effectiveness. We begin with a discussion of the emergence of highly prescriptive state…

Each year, the National Council on Teacher Quality (NCTQ) publishes the "State Teacher Policy Yearbook," a comprehensive examination of the state laws, rules and regulations that govern the teaching profession, measured against a realistic set of reform goals. For five years running, the full "Yearbook" compendium…

In the era of No Child Left Behind, principals are increasingly held accountable for student performance. But are teacher labor agreements giving them enough flexibility to manage effectively? This study answers this question and others. It examines how much flexibility school leaders enjoy on key dimensions of management in America's fifty…