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- National Academy of Higher Education (NAHE)
- National Academy of Higher Learning
- National Accreditation Association (NAA)
- National Accrediting Agency of Private Theological Institutions (NAAPTI). Grimesland, North Carolina.
- National Association for Private Post-Secondary Education (NAPSE)
- National Association for the Legal Support of Alternative Schools (NALSAS)
- National Association of Alternative Schools and Colleges (NAASC)
- National Association of Open Campus Colleges (NAOCC)
- National Association of Private Nontraditional Schools and Colleges (NAPNSC), (Grand Junction, Colorado)
- National Board of Education of Liberia
- National Commission on Higher Education (NCHE)
- National Council of Schools and Colleges (NCSC)
- National Distance Learning Accreditation Council (NDLAC) (Glendale University and Suffield University claim NDLAC accreditation)
- National Learning Online Council (NLOC)
- Naturopathic National Council (NNC)
- Non-traditional Course Accreditation Body (NTCAB)
- Northwest Regional Accrediting Agency
Read more about this topic: List Of Unrecognized Higher Education Accreditation Organizations