School counselors are encouraged to employ evidence-based practices to meet students' mental health needs, yet a scarcity of outcome research limits their access to adequately supported prevention and intervention resources (Griffith et al., 2019). To maximize their impact and time, school counselors should consider conducting group counseling with students. Specifically, school counselors should consider implementing Adventure Therapy (AT), a kinesthetically engaging form of group counseling that uses adventure activities to promote participation through collaborative problem solving, encourage responsible decision-making, and foster accountability among students (Christian et al., 2019). While literature supports the use of AT in schools, there is a dearth of outcome studies examining its efficacy with students. This study explored the impact of AT on 7th graders' self-efficacy (n = 19). The researchers measured Total, Academic, Social, and Emotional self-efficacy using the Self-Efficacy Questionnaire for Children at pre, mid, post, and follow-up. Results suggested AT groups were effective for increasing all types of self-efficacy for participants with males showing a greater increase. Implications for school counselors and future research are described.