Services

We only accept applications from Hong Kong day secondary schools.

HKOI Online Judge (2026/27)

Existing Schools

With school-linked form you can request additional School Admin accounts and manage your licence. (purchase, renew or upgrade)

New School Sign-up

Start a new form

If you do not have a School Admin account, please apply for a free trial first.

For full-time teachers only. Principal's signature and school chop required.

We only accept applications from Hong Kong day secondary schools.

Information about HKOI will be announced in October.

Information about HKGOI will be announced in October.

Eligibility Secondary school students born on or before 31 August 2014

Deadline 2026-09-04 23:59:59

Sorry, the nomination period has ended.

Only for schools with qualified students.

Information about SDIC Final will be announced about two weeks after the SDIC Heat.

Only for schools with qualified students.

Information about NOIP will be announced about two weeks after the SDIC Final.

Information about HKPSOI will be announced in November.