Hong Kong Olympiad in Informatics – Hong Kong Olympiad in Informatics

2025 External Competition Results

The Hong Kong Olympiad in Informatics Training Team is pleased to announce that the team has achieved marvelous results in various external competitions this year. (See details)

IOI 2025	Sucre, Bolivia	27 July – 3 August 2025	2 Silver, 2 Bronze
NOI 2025	Shaoxing, Zhejiang	12-18 July 2025	1 Silver, 5 Bronze
EGOI 2025	Bonn, Germany	14-20 July 2025	2 Bronze, 1 Honourable Mention
APIO 2025	Uzbekistan	17 May 2025	4 Silver, 2 Bronze

HKOI Online Judge 2025/26 Renewal

The current subscriptions will expire on 2025-09-30. We are now accepting renewal and new subscriptions.

If you are interested in the subscription, please visit the Online Judge page for more information and guides.

Hong Kong Olympiad in Informatics (HKOI) is an annual software programming competition for secondary students. We also provide ICT teaching and learning resources to promote computational thinking and STEM education.