Each day secondary school in Hong Kong may nominate up to 8 students to the Senior Group and 8 students to the Junior Group.
- – Senior Group: Born on or after 1st July 2007
- – Junior Group: Born on or after 1st July 2010 AND have more than 2 years remaining in their normal course of secondary school study (e.g. S1–S4 in HKDSE curriculum). Among the 8 Junior Group nominated students, at most 6 may be from S4 (or equivalent).
For details, please refer to the rules and Non-local Curriculum Level-of-Study Reference Table.
HKOI only accepts nominations through schools. Please contact your school’s ICT subject master or teacher-in-charge to apply.
For HKOI Online Judge School Admins
Complete the school-linked nomination form
Benefits: No need to enter school and contact information. All School Admins can edit the same form. Schools with a paid subscription can also add students by their Online Judge username.
For other teachers
Complete the basic nomination form
Deadline: 27th October 2026 (Tuesday) 23:59:59.
The tentative list of accepted schools will be posted on 30th October 2026 (Friday).
The quota for this year is 600 students each for the Senior and Junior Groups. Nominations will be accepted on a first-come-first-serve basis*. Schools are strongly encouraged to submit their nomination forms early.
*According to the submission time provided that the form with signatures and school chop has been uploaded. If a form is amended after submission, untouched students will retain their original queue positions, while added, replaced, or modified students will have their queue positions reset to the time of amendment.