Fairhill is accredited by the Southern Association of Colleges and Schools and is a member of the Texas Association of Non-Public Schools.
All Fairhill credits are accepted by other accredited high schools and universities. The Texas Association of Private and Parochial Schools provides opportunities for students to compete in academics, athletics, and the arts.
Staff affiliations include: The Dallas Branch of the International Dyslexia Association, Learning Disabilities Association, Learning Disabilities Association of Texas, Texas Library Association, National Council of Teachers of English, International Reading Association, National Science Teachers Association, National Council of Teachers of Mathematics, National Council for the Social Studies, and American Association of Teachers of Spanish and Portuguese.
