Victoria College completed a clean sweep in the Jersey heats of the 2019 De Putron Challenge.
The school's teams won all three age categories of the annual educational quiz.
Pupils from year 6, 8 and sixth form will go up against Guernsey's Vauvert Primary, Elizabeth College and the Grammar School in next week's inter-islands final.
18 primary schools took place in the competition - taking on challenges in the likes of Technology, Coding, Science and Geography.
The inter-island final will take place on Thursday 21 November at the Jersey Grand Hotel. It will be streamed here.