The Greenwood School receives accreditation from the following institutions:
- New England Association of Schools and Colleges (NEASC)
The Greenwood School is accredited for grades 6 through 12 by the New England Association of Schools and Colleges, Inc. Visit website
- The State of Vermont
The Greenwood School is an independent school accredited by the State of Vermont Department of Education to serve learning-disabled students in grades 6 through 12.
- National Association of Independent Schools (NAIS)
The Greenwood School is also a member of the National Association of Independent Schools. Visit website