The Saint Thomas Boosters are parishioners with a desire to support excellence at Saint Thomas School - academically and athletically. The Boosters provide financial support for the school's sports programs, playground equipment, and indoor recreation equipment. Academically, the Boosters provide funding for the science progra, and assist in keeping the school supplied with up-to-date technology incliding computers and peripherals. The Boosters also fund maintenance of the school's gymnasium.

The Boosters are not all work. For fun, the Boosters have an annual Red's outing, cookouts at the beginning and end of each school year, an annual Christmas shopping trip, and numerous other planned and unplanned excursions. In order to accomplish their mission, the Boosters hold an annual Turkey Festival and a Lenten Fish Fry. The Boosters meet the 3rd Monday of each month from August to May in the school's cafeteria at 8:00 PM. Please join them.