St Theresa Catholic School belongs to the Elk Island Athletics Association (EIAA) in conjunction with Elk Island Public Schools. We participate in all of the EIAA coordinated activities.
- Cross Country Running – September to October
- Gr. 7/8 Volleyball (Boys and Girls) – September to November
- Gr. 7/8 Basketball (Boys and Girls) – December to March
- Gr. 7/8 Badminton - April
- Gr. 7/8 Team Handball - April to May
- Badminton season runs during the spring and is open to junior high students. The team consists of singles, doubles, and mixed doubles players.
- There is a possibility of a Golf Team as part of the EIAA for the 23-24 school year