The quality of a teacher's instruction is widely understood to be the most important school-based factor in student learning. By taking positive steps to retain their strongest teachers, principals can maximize the impact of teacher retention on instructional quality, a process referred to as "selective retention." This brief from the…

Race to the Top States offer a wide range of supports for local educational agency (LEA) implementation of one of four school intervention models. Some States allocate resources on a regional basis, while others coordinate resources at the State level. Certain States also use data tools to measure district needs, capacity and progress on key…