Terms 1 and 4 (Summer)
College teams compete in the Canterbury Secondary Schools’ competition on a Wednesday or Thursday night at Jellie Park or QEII.
The senior competition is held in Term 1, while the junior (Years 9–10) competition is in Term 4.
Venue: College Pool
Training: Monday, Tuesday & Wednesday
Uniform: College black speedos or trunks
- SISS Junior Championships – 4th place
- SISS Championships – 3rd place
- CSS and SISS Senior Championships – runner up in both tournaments
- Louis Clark (Year 13) selected for New Zealand Men's Water Polo team to the World Cup in Hungary
- CSS Senior Championships – runners up
- Louis Clark (Year 12) selected for New Zealand Junior Water Polo team to World Cup In Hungary
- CSS Senior Championships – 1st place
- SISS Senior Championships – 1st place
- Louis Clark (Year 11) and Andrew Campbell (Year 12) NZSS trialists in 2017
- CSS Junior Championships – runner up