This document contains six chapters that examine the role of teacher leadership in the school-restructuring process. Chapter 1, "When--Teachers Lead" (Bruce S. Cooper), provides a general introduction to the content and purpose of the monograph. Chapter 2, "When--Teachers Share School-Level Decision-Making" (Sharon Conley and Justo Robles), explores the role of teachers in helping to manage individual schools in an organizational context of collective bargaining, conflict, and coalition behavior. Chapter 3, "When--Teachers Run Schools" (Bruce S. Cooper), examines teachers in the role of administrators. The role of teachers in redesigning and restructuring schools is explored in the fourth chapter, "When--Teachers Re-design Schools around Teaching" (Roberta Trachtman). Chapter 5,"When--Teachers are School-District Decision Makers" (Mark A. Smylie), focuses on the whole school organization and the districtwide role of teachers as part of system decision making. The final chapter, "When Is Now: A Plan of Action" (Ann Weaver Hart), integrates the major themes of this monograph--including teachers as local decision makers, school leaders, and districtwide policy makers--and examines the implications for school administration. References accompany each chapter. (LMI)