NASSA - New Anglican Schools Sports Association
Macarthur competes against:
- Broughton Anglican College
- Georges River Grammar School
- Penrith Anglican College
- St Luke’s Grammar School
- The Illawarra Grammar School
- Thomas Hassall Anglican College
- Wollondilly Anglican College
Carnivals:
- Swimming
- Cross Country
- Athletics
After participating in NASSA (New Anglican Schools Sports Association) students progress to:
- AICES (Association of Independent Co-educational Schools),
- then CIS (Combined Independent Schools),
- then NSW All Schools,
- and finally Australian All Schools.