St. Mary's is an accredited member of the Pacific Northwest Association of Independent Schools (PNAIS), AdvancED (through the Northwest Accreditation Commission), and is a member of the National Association of Independent Schools (NAIS).
PNAIS accreditation is a demonstration of our continuing commitment to the PNAIS mission and to the essential characteristics of member schools:
- Commitment to the Public Good
- Effective Governance and Operations
- Physical Location or Place
- Primary Focus of Academic Education
- Commitment to the Best Interests of Children