Saint Thomas Academy 949 Mendota Heights Rd, Saint Paul, MN55120 St. Thomas Academy is a private, Catholic, military day academy attended by boys from throughout the metro area. The…More school emphasizes its college-preparatory curriculum as well as its leadership-oriented JROTC program. The school became an independent institution and moved to its current location next to Rogers Lake in 1965. STA's sister school, Convent of the Visitation, resides next door. The school was originally founded in Saint Paul as a seminary in 1885 by Bishop John Ireland. The "Cadets" compete as part of the Classic Suburban Conference.