Five papers examine issues regarding the role of the assistant principal, with a focus on accountability in school reform and restructuring. The first paper, by George J. Michel, analyzes the leadership areas of the assistant principal and suggests methods to make the assistant principal accountable. The next four papers describe new models of school reform. The papers are: "The Quality School and the Assistant Principal," by W. Frank Cason, "The Carnegie High School and the Assistant Principal," by J. Jonathan Jennings, "The Accelerated School and the Assistant Principal," by Robert L. Palmer, and "The Essential School of Theodore R. Sizer and the Assistant Principal," by Stan Pressley. Each paper identifies the characteristics of the model school, the role of the assistant principal, and the duties and practices of that role. Each school model amounts to an administrative restructuring of those who run schools. Each model also rests on the concept of shared decision-making. (Contains 43 references.) (LMI)