
Year 12 maths whiz Seyoon Ragavan has been selected on the Australian team for the International Mathematical Olympiad for the fourth year running.
Knox Grammar School
Seyoon was selected from an initial pool of more than 150,000 high school students who sat open qualifying exams, including the Australian Science Olympiad Exams and the Australian Mathematics Competition.
Seyoon will compete with students from more than 100 countries at the Mathematical Olympiad in Hong Kong from 6-16 July.
Last year Seyoon won a gold medal at the Olympiad. Congratulations and good luck, Seyoon!

26 November 2025
Knox students embarked on an unforgettable journey through the stunning landscapes of Central Australia, staying on traditional homelands and learning from Aboriginal peoples.

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.
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