History made! 19 records broken at CAS Swimming and Diving Championships

Spurred on by our mighty Tartan Army of supporters saw our students achieve a great feat last night at the 94th CAS Swimming and Diving Championships. Knox CAS Swimming Team were Awarded the Thyne Challenge Shield for the ninth year running. Our Diving team also gave an outstanding performance, coming second overall.
Knox Grammar School
It was a record-breaking night for Knox, with our students achieving 41 wins from 77 races and breaking 19 new CAS records in swimming.
Congratulations to the following students who made CAS history, breaking both individual and relay team records:
INDIVIDUAL
TEAM
In swimming, Knox finished first with a score of 569 points, while in Diving, the Knox team finished second overall on 41 points, just three points behind Trinity Grammar School.
These achievements are a remarkable accomplishment for our hard-working swim and dive teams, as well as our dedicated coaches and support crew.












24 November 2025
It is with great sadness that we share the news of Mr Marsden Carr Hordern’s OAM, VRD, DLitt (Hon) (OKG39) passing. Aged 103, Marsden passed away in Sydney on 17 October 2025. Marsden – student 329 – was Knox Grammar School’s oldest known living Old Boy.

20 November 2025
Our Prep and Senior School students achieved outstanding results at the NSW VEX IQ State Championships on Sunday 9 November.

19 November 2025
Established by our Middle Academy, Knox’s Global Challenge program gives students the opportunity to address a major world issue.
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