Cathleen Stone Island serves as the primary campus for the Cathleen Stone Island Outward Bound School, focusing on experiential outdoor education for youth from underserved Boston communities. The campus integrates adventure-based learning with STEM curricula, social-emotional development, and environmental stewardship, utilizing the island's diverse ecosystems including salt marshes, forests, and wetlands to deliver immersive programs.
The campus facilities support year-round programming for over 6,500 students annually, emphasizing equity and achievement gap closure through rigorous, reflective experiences in Boston Harbor's unique island environment.