A staff development process that uses group-building activities to foster staff collegiality is described in this paper. As schools become involved in restructuring, cooperation and positive working relationships become more crucial for effective school teams involved in participative decision making. Five characteristics of group-building activities include: (1) the breakdown of cliques and factions; (2) positive interdependence; (3) individual accountability; (4) group reward; and (5) a high probability of success. Two sample group-building activities are included. (LMI)