Teachers can sign up for a free trial (no time limit) to experience the features of the Online Judge. A subscription fee is required to make the Online Judge available to students.
Fees for School Year 2026/27 (accounts valid until 2027-09-30)
| Free Trial (Unlimited time) |
Individual Student License | School License (Basic version) |
School License (Full version) |
|
|---|---|---|---|---|
| License fee (HKD) | Free | $240 per student |
$2500 (HKACE School Member) $3500 (non-member) |
$4500 (HKACE School Member) $5500 (non-member) |
| Student licenses | N/A | 1 per student (cannot be reassigned) |
Unlimited | Unlimited |
| Full-time teacher licenses | Up to 3 | Up to 3 | Up to 10 | Up to 10 |
| Instructor licenses | N/A | N/A | N/A | Up to 2 (can be reassigned) |
| Student features | N/A | Identical across all subscriptions: Code (online IDE) Learn Python and C++ series, DSE Exercises, SQL Exericses, Competition Past Problems etc (See task catalog) |
||
| Basic school admin features | Solutions and test data for Learn series and DSE Exercises | |||
| User management | N/A | Groups only | Classes and Groups | |
| Assignments and completion reports | ||||
| Advanced features | N/A | Task hosting and quizzes Quick reports Scoring-mode reports Export reports to Google Sheet |
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| Guide | New school sign-up | Purchase/Renew/Upgrade | ||
For enquires about HKACE school membership, please email ask@hkace.org.hk or call/WhatsApp 24066683.
If a school has a paid subscription and does not wish to renew it, it will be downgraded to Free Trial.
For detailed license terms, please refer to the HKOI Online Judge Terms of Use.