People experiencing homeless and substance use issues were eligible to enroll in a two-stage treatment program. During the first stage, participants were in day-treatment programming for 5.5 hours each weekday and resided in shelters or other temporary housing that participants secured through referrals to other agencies. Programming included group and individual therapy and coaching focused on helping participants address their substance use issues.

SEI participants received continuous case management over the full 20-month intervention period. For the first eight months, participants attended classes twice a week for one and a half hours each session. In the vocational skills acquisition phase (four months), participants learned vocational skills such as, photography and silk-screening. In the small business skills acquisition phase (four months), participants learned accounting, budgeting, marketing, and management skills.

Thirteen JOBSTART sites provided youth with instruction in basic academic skills, occupational skills training, supportive services, and job search assistance. Basic academic skills instruction was individualized and commonly focused on developing skills needed to pass a GED examination. Occupational skills training was classroom based. Youth could choose from various occupational skills courses that generally prepared participants for jobs requiring moderate or higher skills.

ACE offered occupational and job readiness training within the workforce system. The types of training varied based on labor market demands at each of the nine intervention sites. ACE also offered learning assessments at program intake; integrated adult education and basic skills training; student support services, including individual case management and additional academic supports when necessary; and transition services, including job search and placement. The duration of the intervention was 12 months.