All students participate in sport each Thursday afternoon between 12.30pm and 2.30pm. Non-representative students alternate each term between electing a sport and College House Sport. These sports are conducted on and off-site by staff and external agencies. Internal sports include:

• Boot Camp
• Dance
• Indoor Climbing
• Power Walking
• Self Defence
• Cross Country
• Tennis
• Yoga
•  Zumba

Students also participate in seasonal House Ball Sports.

Trinity Students also have the opportunity to participate in representative sport on Thursday afternoons. Boys participate in MCS inter-school competition, participating in sports such as Rugby League, Basketball and Football. Girls participate in the MCCS inter-school competition playing sports such as Water Polo and Oz Tag. The College is also a member of the CGSSA inter-school girl’s competition.