The ACC conducts “all association” Championships in the sports of Basketball, Netball and Soccer.
The ACC Championship is the pinnacle of competitive interschool sport within the association.
Currently this involves senior teams in Year 10-12 Basketball (Term 1), Netball (Term 2) and Soccer (Term 3). A junior Year 7-9 Basketball championship tournament also runs (across Term 1 and 2).
The ACC Championship senior sports are Divisional based with schools enacting promotion and relegation each year. ACC member schools that are not a part of the divisional weekly format can nominate teams within the ACC Championship Qualification (one day carnival format).
2026 Dates:
| Junior Basketball | Championship Tournament: One Day Carnival Pools: 3 March / South West: 6 March Sub Association Allignment: Term 1 (2 Feb - 2 April) Elimination Bracket: Term 2 (23 April - 19 May) |
| Senior Basketball | Championship Divisional: Rounds: 13 Feb, 17 Feb, 24 Feb, 3 March, 10 March Semi Finals: 17 March Grand Finals: 31 March Championship Qualification: One Day Carnival Pools: 4 March / 5 March / South West: 6 March Grand Finals: 13 March / 31 March (TBC) |
| Senior Netball | Championship Divisional: Rounds: 13 Feb, 17 Feb, 24 Feb, 3 March, 10 March Semi Finals: 17 March Grand Finals: 31 March Championship Qualification: One Day Carnival Pools: 4 March / 5 March / South West: 6 March Grand Finals: 13 March / 31 March (TBC) |
| Senior Soccer | Championship Divisional: Rounds: 28 July, 4 Aug, 11 Aug, 18 Aug, 25 Aug Semi Finals: 8 Sept / 9 Sept Grand Finals: 23 September Championship Qualification: One Day Carnival Pools: 6 August Semi Finals: TBC Grand Finals: 23 September |