5050 Setting the stage for change toward differentiation -- Leadership for change toward differentiation -- The nature of professional development for change toward differentiation -- The content of professional development for change toward differentiation -- Monitoring and evaluating change toward differentiation -- Snapshots of the change process at Conway Elementary School -- Snapshots of the change process at Colchester High School -- Change for academically responsive classrooms: looking back and ahead -- Appendixes -- A. Example of a coaching session with the Conway principal and a new teacher -- B. The evolution of a deep understanding of differentiation at Conway Elementary School -- C. Example of feedback provided by the Colchester teacher liasion to colleagues -- D. Example of a KUD lesson planning format at Colchester High School -- E. Sample faculty survey about progress on differentiation at Conway Elementary School -- F. Example of an exit card used to monitor professional development at Colchester High School -- G. Sample Colchester student surveys to monitor understanding of differentiation and its effects on students -- H. Example letter showing Colchester principal's communication.