Model Programs for Adolescent Sexual Health is a directory of the most promising and proven effective sexual education and prevention programs. The programs included in this volume were selected for their demonstrated positive impact on STI, pregnancy, and HIV/AIDS-related risk behaviors by a group of eminent HIV/AIDS expert scientists.The following information is provided for each program listed in the directory: The Program Abstract summarizes the program, including its target clientele, site, approach, components, length, staffing requirements, program materials, and implementation costs; The Program Rationale and History explains how the program was designed, and its underlying theoretical framework and assumptions; Program Schedule explains the goals and activities of each program session; Program Materials explains the necessary materials needed to implement the program (note that not all materials are included in this directory; How to Implement the Program explains the ground rules and other necessary steps prior to implementation; and, Evaluating the Program explains how the program was evaluated for its effectiveness.