This principal's manual, one of a series of nine staff development guides prepared by the Philadelphia School District, clarifies roles and responsibilities of various staff members and parents in providing programs to meet the career and vocational education needs of mildly to moderately handicapped students. Designed to be relevant to the specific needs of secondary school principals, this manual is organized into four sections. The first section provides an overview of vocational and career education of handicapped students from the principal's perspective. Topics covered include legislative implications, administrative leadership, program monitoring and feedback, coordination and cooperation, personnel preparation, developing the Individualized Education Program, service delivery/program options, and program evaluation. The second section specifies role responsibilities of the principal and contains a specific responsibilities grid. The final two sections consist of a summary of principals' responsibilities and an annotated bibliography. (KC)