Through a comprehensive review of various afterschool programs across the United States, this resource provides a practical overview of the research and best practices that can be easily adapted and applied in the development of highly effective afterschool programs. chapters focus on: (1) "Why Afterschool Programs?" (benefits, challenges, and functions, research methodology, types of programs, and program evaluation); (2) "Language Arts Afterschool Programs" (e.g., extended-day tutoring and the Coca-Cola Valued Youth Program); (3) "Enrichment Afterschool Programs" (e.g., Hands On Science Outreach and the Imaginitis Learning System); (4) "Tutoring Programs to Improve Reading and Study Skills Programs" (e.g., Book Buddies and Early Identification Programs); (5) "Community-Based Afterschool Programs" (e.g., Big Brothers Big Sisters of America and Police Athletic League); (6) "How to Create an Afterschool Program: From Conception to Implementation" (e.g., assessing the situation, creating the components, and training the service providers); (7) "Evaluation" (e.g., why evaluation is important, effective evaluations, and creating a solid evaluation infrastructure); and (8) "Conclusions and Implications: What Works" (patterns of success among the programs and barriers to participation). A list of resources is included. (Contains 143 references.) (SM)