Choa House took out the championship trophy at the Shau Kei Wan Government Secondary Technical School annual swimming carnival.
They earned the title - amassing 335 points - after triumphing in the boys' Grade B and Grade C divisions, but saw the Grade A crown go to Denmark House.
A brightly attired Island House squad won the award for best cheering team.
Guest-of-honour Wu Yiu-chung, an executive committee member of the Parent-Teacher Association, presented medals and trophies to the excited winners.
The final events of the day were the 4 x 50 metres' invitation relays for boys and girls. The boys' event was won by Queen's College, with Ho Tung Technical School taking gold for the girls.
RESULTS Boys' individual championship Grade A - Yuen Wai-lok (Denmark House) and Lee Chun-yu (School House), Grade B - Lam King-kau (Choa House) and Wong Chi-shun (Choa House), Grade C - Li Wai-kit (Choa House) and Cheung Yuk-chun (Island House).