SYA is fully accredited by the New England Association of Schools and Colleges (NEASC). Accreditation is a voluntary and ongoing process of accountability for schools and colleges in meeting standards set by members of NEASC. The standards define characteristics of what contributes to good schools and colleges.

SYA also partners with several organizations to help provide rich opportunities for current students and alums.

Additionally, SYA belongs to several professional bodies committed to the pursuit of experiential, place-based and global education in independent schools.