TMI Episcopal is a private school in San Antonio. Previously known as Texas Military Institute, TMI is a selective coeducational Episcopal college preparatory school with a military tradition in San Antonio, Texas for boarding and day students. It is the flagship school, and sole secondary school, of the Episcopal Diocese of West Texas.

Boarding (Includes Tuition, Room and Board) $58,490. New student fee of $1000. Annual Fee of $3000. Health Insurance $1500. Books & Uniform estimated expemse of $1000. Annual Fee of $100 per family.