1. Background: JTPA Title II Year-Round Programs, Previous Research, and the National JTPA Study -- 2. The 30-Month Impact and Benefit-Cost Analyses -- 3. Study Sites, 30-Month Earnings Sample, and Patterns of JTPA Enrollment and Service Receipt -- 4. Program Impacts on the Target Groups -- 5. Program Impacts on the Earnings of Subgroups -- 6. Benefits and Costs of Title II Year-Round Programs -- 7. Interpretation and Policy Implications of the Findings.