ACCREDITATION
San Juan Diego Catholic High School was fully accredited by the Texas Catholic Conference Education Department in December 2009. The Texas Catholic Conference Education Department is assisted by the Texas Catholic Conference Accreditation Commission and is part of the state-approved Texas Private School Accreditation Commission.

MEMBERSHIPS
San Juan Diego Catholic High School is a member of the Texas Association of Private and Parochial Schools, the National Catholic Education Association, the Texas Association for College Admission Counseling, and the College Board.