Young people with disabilities often lag behind their typically developing peers in the achievement of adult roles, which has been attributed to a lack of opportunities to develop critical life skills. Residential Immersive Life Skills (RILS) programs provide situated learning opportunities to develop life skills alongside peers and away from home in real-world settings. | Optimizing life success through residential immersive life skills programs for youth with disabilities: Study protocol of a mixedmethods, prospective, comparative cohort study