This book discusses the most current knowledge on whole- faculty study groups (WFSGs). Nine chapters examine: (1) "Introduction" (how WFSGs began and spread); (2) "Enabling Professional Development and Schoolwide Change" (guiding principles and questions); (3) "Key Components: Context, Process, and Content"; (4) "Context: Clarifying Roles, Responsibilities, and School Culture" (contexts in which study groups must function within the schools and key players' roles); (5) "Process: A Guiding Structure That Enables Teachers and Students" (15 study group process guidelines, procedures for creating communication networks and strategies, and 23 study group work time models); (6) "Content" (staff development content; academic knowledge, instructional strategies, instructional skills, management, and belief systems; and the central decision making cycle involving data collection and analysis, student needs, prioritization of needs, organization around student needs, plans of action, implementation, and evaluation); (7) "Maintaining Professional Development and Ongoing Commitment" (the difficult process of institutionalizing the study group process into the school and school system); (8) "Supporting Synergistic Groups and Teams" (how to use the study group process to build effective teams and teamwork in schools); and (9) "Success: Learning From the Experiences of Seven Schools" (results of the WFSG process in a representative sample of schools). (SM)