The ultimate goal of teacher evaluation systems is to improve the quality of instruction by clarifying expectations for effective teaching and helping teachers meet those expectations through high-quality feedback and support. Classroom observations -- which make up the majority of a teacher's summative rating in most States and districts -- give…

An effective school requires an effective leader, but great principals rarely just happen. They are cultivated. This Wallace Perspective draws on a decade of foundation research and work in school leadership to show how urban school districts can play a major role in ensuring they have principals who can boost teaching and learning in troubled…