Greeneville Adventist Academy is a fully accredited educational institution, by the following organizations:
- National Council for Private School Accreditation
- The Commission on International and Trans-Regional Accreditation
- Middle States Association of Colleges and Schools Commissions on Elementary and Secondary Schools
- North American Division Commission on Accreditation
- Accrediting Association of Seventh-day Adventist Schools, Colleges, and Universities.
Teacher Certification
Teacher certifications are authorized through the North American Division of Seventh-day Adventist, Office of Education, for the grade level or the subjects they teach.