Includes bibliographical references (p. 275-293) and index.

Using theory to understand the San Diego reform -- Using research to understand the San Diego reform -- History of reform in New York City's Community School District #2 -- Using district leaders' theory of action to understand the San Diego reform -- Learning in classrooms : the enactment of the reform between teachers and students -- Learning in teacher professional development : the enactment of reform between teachers and school leaders -- Learning in leadership professional development : the enactment of reform between school leaders and instructional leaders -- Demystifying the gap between theory and practice in the San Diego city schools reform -- Changes in the reform : influences of technical constraints and cultural and political conflict -- Conclusion.