This collection of 12 essays examines the school's need to establish a collaborative environment as a precondition for its own development. The following chapters explore the necessary shift in schools from a bureaucratic to a professional mode: (1) "Recanting Bureaucracy: A Democratic Structure for Leadership in Schools" (D. L. Clarke and J. M. Meloy); (2) "Teacher Professionalism: Why and How" (L. Darling-Hammond); and (3) "What Are Schools of Education For?" (S. B. Sarason). The following chapters examine critical issues of fundamental change: (4) "A Fundamental Puzzle of School Reform" (L. Cuban); (5) "Education Reform Strategies: Will They Increase Teacher Commitment?" (S. J. Rosenholz); (6) "Teaching Incentives: Constraint and Variety" (G. Sykes); and (7) "Healing Our Schools: Restoring the Heart" (T. E. Deal). The following chapters investigate the changing roles, relationships, and culture of the school: (8) "The Social Realities of Teaching" (A. Liebermann and L. Miller); (9) "Teachers as Colleagues" (J. W. Little); (10) "Leadership for Curriculum Improvement: The School Administrator's Role" (G. A. Griffin); (11) "Staff Development and School Change" (M. W. McLaughlin and D. D. Marsh); and (12) "Schools for the Twenty-first Century: The Conditions for Invention" (P. C. Schlechty). Two figures are included. Each chapter includes a list of references. (FMW)