When Nia Thornton became an assistant principal at Central Gwinnett High School in Georgia, one of her responsibilities was to lead professional learning for the school staff. She and the school leadership team were excited engage the staff in meaningful, day-to-day learning. They knew that their work needed to be rooted in current research and…

The Standards Assessment Inventory (SAI) has provided relevant, educator-level data helping systems of all kinds -- states, districts, schools, provinces, and organizations -- gather and track data about the professional learning their educators experience. An online, confidential, valid, and reliable instrument administered to school-based…

Data-driven decision making (DDDM), applied to student achievement testing data, is a central focus of many school and district reform efforts, in part because of federal and state test-based accountability policies. This paper uses RAND research to show how schools and districts are analyzing achievement test results and other types of data to…