This report presents the findings of the cost-benefit analysis of Accelerating Opportunity, an initiative designed to help adults with low basic skills earn industry-recognized credentials in high-growth occupations and succeed in the labor market. It compares the value of the benefits associated with AO—principally labor market benefits—with the costs of the initiative for each of the four participating states: Illinois, Kansas, Kentucky, and Louisiana. In AO’s first three years, students in Illinois, Kansas, and Louisiana experienced a net benefit to participating in AO, but only Kansas saw a net social benefit.