The Association of Christian Schools International (ACSI) strives to enable and equip Christian educators and schools worldwide to effectively educate children and young people with the mind of Christ.

The Association of Military Colleges and Schools of the United States (AMCSUS) is a group of schools (college preparatory schools; two-year colleges; and colleges and universities) which provide a quality education in a military environment with emphasis on strong values, leadership development, citizenship, and service to others. Whether urban or rural, secondary or college, day or boarding, each school is governed by a Board of Trustees, is independent in its governance and finance, and has a stated policy of nondiscrimination in admission. All are accredited by a recognized evaluative process.

The American Montessori Society (AMS) is a non-profit, non-discriminatory service organization dedicated to encouraging and supporting the use of the Montessori teaching approach in private and public schools.

The Mission of the Catholic Schools in the Diocese of Charlotte is to proclaim the Good News of the Gospel and to provide a religious and academic program that allows each student to develop spiritually, intellectually, emotionally, physically and socially, so that each is prepared to live and serve in a changing society as a self-respecting and responsible citizen.

The National Association of Episcopal Schools (NAES) serves schools, Early Childhood Education programs, school establishment committees and sponsoring Episcopal Church institutions whose missions integrate spiritual formation into all aspects of the educational experience.

The Friends Council on Education, founded by a group of volunteer Quaker educators in 1931, promotes the theory and practice of Quaker education, supports Friends schools (PreK-12) in maintaining their values-based learning environments, and provides a professional development network for educational issues, philosophy and practice in Friends schools.

The National Association of Independent Schools (NAIS) is a membership organization with 501(c)(3) nonprofit status. NAIS represents approximately 1,300 independent schools and associations in the United States, and affiliates with independent schools abroad as well. We offer a broad variety of services to our member schools and associations. NAIS's mission is to be the national voice of independent schools and the center for collective action on their behalf.

The North Carolina Association of Independent Schools (NCAIS) is an association of 83 schools, with over 3500 teachers serving approximately 35,000 students. The association encourages communication among member schools, fosters the traditional freedom of the independent school to practice its philosophy of education, and serves as a liaison with regional and national accrediting agencies, and the National Association of Independent Schools.

The North Carolina Independent Schools Athletic Association (NCISAA) was organized by independent schools throughout the state of North Carolina who desired the opportunity to compete for state championships in various sports. The NCISAA exists to encourage interscholastic competition among North Carolina independent schools who are committed to integrity, sportsmanship, and fair play.

The National Coalition of Girls' Schools (NCGS) is a leading advocate for girls' education. Believing that girls' schools are the most powerful, transformative learning environments for girls, NCGS seeks to document the unique qualities that best define the girls' school experience.

The Partnership for Excellence in Jewish Education (PEJE), founded in 1997, is a national organization of visionary Jewish philanthropists seeking to establish a vibrant and sustainable Jewish future through strengthening the Jewish day school movement in North America.

The Jewish Community Day School Network (RAVSAK) is the international center for the advancement and support of pluralistic Jewish day school education. RAVSAK is dedicated to empowering professionals to educate children and their families from across the spectrum of Jewish life.

Founded in 1895, the Southern Association of Colleges and Schools Council on Accreditation and School Improvement (SACS CASI) accredits over 13,000 schools and school systems throughout the United States and overseas. SACS CASI is an accreditation division of AdvancED. AdvancED is also the parent organization of the North Central Association Commission on Accreditation and School Improvement (NCA CASI) and the National Study of School Evaluation (NSSE).

The mission of The Southern Association of Independent Schools (SAIS) is to provide leadership, accreditation services, and professional development resources that will strengthen member schools as they fulfill their missions. SAIS addresses issues of importance to non-public schools such as organizational excellence, accreditation, curriculum, professional development, governance, equity, and leadership.

Southern Baptist Association of Christian Schools (SBACS) exists to advance church related Christian school ministries by fortifying school leaders with information, training, professional networks and an influence artery. SBACS is a nonprofit organization of Christian schools whose member schools are sponsored by Southern Baptist churches, state conventions or share a common vision and mission.