• Hong Kong Olympiad in Informatics (HKOI) is an annual programming competition for secondary students.
  • HKOI Online Judge
  • Hong Kong Olympiad in Informatics

HKPSOI 2020/21 is now accepting applications

Details for Hong Kong Primary Schools Olympiad in Informatics (HKPSOI) 2020/21 has been published. The Heat Event will be held from 11th January (Monday) to 22nd January, 2021 (Friday) and the Final Event will be held on 27th March, 2021 (Saturday).

We welcome all primary schools to participate in the competition. Application deadline is 18th December, 2020 (Friday).

See instructions for application.

November 23, 2020 9:47 pm

Applications results for HKOI 2020/21

The nomination period for HKOI 2020/21 has ended.

See the list of participating schools.

November 11, 2020 9:21 am

SDIC 2020 List of Finalists

Competition results for SDIC 2020 Heat Event has been released. See List of Finalists.

Teacher-in-charge must complete the application form on or before 30th October 2020. Please refer to SDIC 2020 Final Event page for details.

October 19, 2020 2:05 pm

HKOI 2020/21 is now accepting applications

Details for Hong Kong Olympiad in Informatics (HKOI) 2020/21 has been published. The Heat Event will be held on 21st November, 2020 (Saturday) and the Final Event will be held on 19th December, 2020 (Saturday).

We welcome all secondary schools to nominate students to the competition. Application deadline is 9th November, 2020 (Monday).

October 7, 2020 9:00 pm

SDIC 2020 Heat Event Venue Assignment

SDIC 2020 Heat Event Venue Assignment has been published. Contestants must bring their HKID card, Student ID card, examination slip and health declaration form.

September 30, 2020 8:13 pm

HK students triumph at 32nd International Olympiad in Informatics

A team of Hong Kong students has brought home one gold and two bronze medals against contestants from 87 countries or regions from all over the world at the 32nd International Olympiad in Informatics (IOI 2020). Harris Leung scored 592.62 out of 600 and ranked third overall, which is the highest rank a Hong Kong student has achieved in this competition.

Team members and results

Press Release


From left: Yeung Man Tsung, Harris Leung, Wai Ka Hei, Cheng Hei Chit

September 25, 2020 12:56 am

SDIC 2020

Hong Kong Secondary Schools Software Development Invitational Contest (SDIC) 2020 Heat Event will be held on 11th October, 2020 (Sunday). Details about applying for the competition will be released on 15th September, 2020. The application deadline is 24th September, 2020 (Thursday).

September 12, 2020 9:10 pm

HKOI Online Judge 2020/21 subscription/renewal

Schools may now sign-up or subscribe for the HKOI Online Judge, through the Join HKOI application system. For details, please visit the Online Judge page.

August 26, 2020 8:09 pm

HKPSOI 2019/20 Results

The results of HKPSOI 2019/20 have been released. Certificates and book coupons will be sent to schools by mail.

July 21, 2020 9:41 pm