This brief summarizes findings from implementation, impact, and cost-benefit evaluations of Accelerating Opportunity (AO). AO is a career pathways initiative launched in 2011 that aims to help adults with low basic skills earn valued occupational credentials, obtain well-paying jobs, and sustain rewarding careers. AO was one of the first efforts to replicate and scale key elements of Washington state's Integrated Basic Education and Skills Training (I-BEST) model. The evaluation took place in Illinois, Kansas, Kentucky, and Louisiana. The evidence shows that AO holds promise for changing college systems and promoting educational gains among low-skilled adults. Earnings impacts are mixed.