Marin 9 to 25 is a youth-centered Accountable Community for Health (ACH) in Marin County, California. The collaborative addresses inequities in mental health, education, housing, and substance use by centering youth leadership and cross-sector collaboration. Through initiatives like Find Your Way, youth scholarships, LGBTQ+ advocacy, art and film showcases, and recovery events, Marin 9 to 25 empowers young people to shape solutions and drive systems change. By uniting public agencies, nonprofits, and residents, Marin 9 to 25 demonstrates that centering the experiences of underserved youth strengthens equity and resilience across entire communities.

Originally published in 2019 and updated in 2025, this brief provides practical guidance for designing, governing, and sustaining locally controlled wellness funds as part of the Accountable Communities for Health (ACH) model. At its heart, the concept remains simple but powerful: pool and align resources across sectors, center community voice in decisions, and create a lasting financial structure that supports equity-focused systems change.