Drawing on findings from a national study of learning-focused leadership in challenging urban settings, this article examines the work of teacher leadership in urban high schools. In this context, a recently emerging cadre of nonsupervisory teacher leaders, working in collaboration with supervisory leaders, exercises a form of "distributed…

Teachers have the greatest school-based effect on the achievement of any child in their classrooms, but highly effective principals can positively affect the achievement of every student in their schools. The difference between a highly effective principal and an average one is equal to two-to-seven months of extra learning per year for each child…

Teachers are leaders when they function in professional learning communities to affect student learning, contribute to school improvement, inspire excellence in practice, and empower stakeholders to participate in educational improvement. From an equity perspective, teachers also lead when they serve as change agents who collaborate to use…

Background: Through its Children First initiative, New York City policymakers promoted collaborative inquiry as a process for helping administrators and teachers use student data to improve instruction and raise student achievement. Since 2007, city schools were expected to engage higher proportions of faculty in the inquiry work each year.…