This overview of the programs, activities, and facilities relating to computer-based education at the Ontario Institute for Studies in Education (OISE) includes, (1) a brief account of the history and mission of OISE; (2) a description of the OISE Computer Applications Department and its merger with the Department of Measurement and Evaluation in 1976; (3) a summary of courses in Computer Applications offered through OISE; (4) a discussion of the computing and other related educational technology resources and facilities, and the uses to which these are put at OISE; (5) an outline of the relationship between the Educational Computing Organization of Ontario (ECOO) and OISE; and (6) a description of the types of positions accepted by OISE Computer Applications program graduates. Two figures accompany the text. (JL)