This collection of papers reports on the emerging thinking in staff development and organizational learning in schools and districts, framing issues which have critical implications for staff development. There are 10 papers in four sections. Section 1, "Context," features: (1) "School Reform Requires a New Form of Staff Development" (Dennis Sparks). Section 2, "New Roles in the School as a Learning Organization," includes: (2) "Site-Based Development" (Steven R. Thompson); (3) "Broadening the Concept of Teacher Leadership" (Michael G. Fullan); (4) "The Principal's Role and Staff Development" (Jim LaPlant); and (5) "New Roles for Central Office Administration in School-Based Change and Staff Development" (Fred H. Wood). Section 3, "Process and Content of Learning," offers: (6)"Shifting Rules, Shifting Roles: Transforming the Work Environment to Support Learning" (Arthur L. Costa, Lauren Lipton, and Bruce Wellman); (7) "Teacher Content Knowledge: Impact on Teaching and Learning" (Randy Schenkat and Kathie Tyser); and (8) "Putting It All Together: Integrating Educational Innovations" (Tom Guskey). Section 4, "Building Capacity Within the System," includes: (9) "Data-Based Decision Making" (Jon C. Marshall) and (10) "Leadership for Professional Development: Essential Arenas of Work and Learning" (Margaret Arbuckle). (Chapters contain references.) (SM)