This booklet, the third in a series of documents constituting a handbook for teachers and administrators on educational computing, identifies factors to consider when developing district or building level computer-relevant, staff development programs. It highlights the importance of staff development activities and suggests strategies for involving teachers and administrators in such activities. Characteristics, objectives, and activities of effective staff development programs are identified, and special problems in designing programs are listed. Appendices contain (1) a conceptual model for staff development and additional procedures and practices that aid effective staff development; (2) a list of staff development activities relevant to computers in curriculum and instruction, including programs, courses, and resources developed by local school districts, educational service districts, colleges and universities, and other public or private agencies; and (3) a selected 28-item bibliography on general staff development, as well as materials that address computers in curriculum and instruction, directed toward staff development. (LMM)