The Northwest Association of Independent Schools (NWAIS) is a nonprofit membership association that provides accreditation, professional development and support services to over 110 elementary, middle, and secondary independent schools in Alaska, British Columbia, Idaho, Montana, Nevada, Oregon, Utah, Washington and Wyoming.

[1] NWAIS is one of two major agencies that accredit private schools in the Pacific Northwest of the United States and Canada.

[2] Formerly the Pacific Northwest Association of Independent Schools (PNAIS), the NWAIS is a member of the National Association of Independent Schools.

[3] NWAIS develops accreditation standards in compliance with the Criteria for Effective Independent School Accreditation Practices, to foster collegial and ethical relations among its schools, and to safeguard and represent their interests.

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