National High School is proudly accredited by Southern Association of Colleges and Schools and Schools Council on Accreditation and School Improvement (SACS CASI), an accrediting division of AdvancED. Our accreditation demonstrates our dedication to continuous improvement in all that we do. We are committed to providing students the opportunity to receive a rigorous, quality education through innovative learning methods. National High School offers a private, comprehensive, and affordable education to those students who desire to receive a high school diploma.