Member Schools
American Montessori Society (AMS)
Association of Christian Schools International (ACSI)
Association of Christian Teachers and Schools (ACTS)
Association of Classical Christian Schools (ACCS)
Christian School International (CSI)
Cognia
Independent School Associations of the Southwest (ISAS)
International Christian Accrediting Association (ICAA)
Middle States Association (MSA-CESS)
National Christian School Association (NCSA)
National Lutheran Schools Accreditation (NLSA)
Oklahoma Conference of Catholic Schools Accreditation Association (OCCSAA)
Oklahoma Conference of Seventh Day Adventists (OCSDA)
Southwestern Association of Episcopal Schools (SAES)
Discover OPSAC's Impact
Join us in shaping the future of education by exploring the comprehensive services offered by OPSAC. Whether you’re an institution seeking accreditation or an individual passionate about educational standards, there’s a place for you here. Dive deeper into our mission and see how you can contribute to elevating academic excellence.