During the past decade, states and districts have made significant investments in developing systems to measure teacher performance. The goals of such systems are to improve practice, inform professional growth, and ultimately improve student learning. In the very best of these systems, educators know the expected teaching standards and receive…

The allure of using data to improve performance is a source of tremendous activity in the education field today. "Data use" has spurred a wide variety of reforms at all different levels of the education system, ranging from infrastructure augmentation to state databases, to district dashboard systems that collect and display an array of…

Districts expend a considerable amount of time, effort, and resources providing student performance data to teachers to inform instruction, and examining those data for organizational decision-making. Yet rarely, if ever, are these outcome data connected to what goes on in classrooms. In this experimental study, the author reports on the…