Students at Holy Cross benefit from involvement in the many Extra Curricula Activities listed below
- Zone 6 / City District Swimming
- Zone 6 / City District Athletics
- Zone 6 / City District Cross Country
- Chess Club
- Robotics Club
- Tennis
- Mini Vinnies - (St Vincent de Paul volunteer programme)
- Garden Club
- Senior Choir
- Junior Choir
- Private Music Tuition
- Concert Band
- AFL Workshops
- Soccer Workshops