As school psychology enters the new millennium, policy makers are demanding that steps be taken to ensure the safety of schools. This article argues that school psychology should provide a primary leadership role in this initiative based on their professional training and expertise. Furthermore, the tensions created by social expectation to implement violence-prevention and intervention programs will provide the incentive and momentum for school psychology to redefine itself in the 21st century. (C) 2000 John Wiley & Sons, Inc.