ACCREDITATION AND MEMBERSHIPS Trinity School of Texas is accredited by the Southwestern Association of Episcopal Schools and the Southern Association of Colleges and Schools. Accreditation status is recognized by the Texas Education Agency. Memberships are held with the National Association of Episcopal Schools, the Southwestern Association of Episcopal Schools, the Texas Association of Non-Public Schools, the Texas Association of College Admissions Counselors, the National Association of College Admission Counselors, the Texas Association of Private and Parochial Schools, the National Council of Teachers of English, the National Middle School Association, and the Association for Supervision and Curriculum Development.