Date: 8th November 2025 (Saturday)
Reporting Time: Senior Group: 9:15 – 9:30 a.m.
Junior Group: 1:45 – 2:00 p.m.
Reporting Venue: ELB: G/F Lobby, Esther Lee Building
FYB, CKB: Platform of Wong Foo Yuan Building
Event Time: Senior Group: 10:00 a.m. – 11:50 a.m.
Junior Group: 2:30 p.m. – 4:20 p.m.
Competition Venue: ELB 303/307/308/401/403/405, Esther Lee Building
FYB UG01/UG02, Wong Foo Yuan Building
CKB UG03/UG04/UG05, Chen Kou Bun Building
The Chinese University of Hong Kong
Required Documents: Hong Kong Identity Card (for checking eligibility and entering CUHK campus)
Student ID Card
HKOI-issued QR Code (to be sent to teacher-in-charge via email 3 days before the competition)
Required Supplies: 2B pencils and erasers. Calculators are NOT allowed.

How to fill in the answer sheet and common mistakes

Multiple choice questions

– Fully mark the box that corresponds to the desired answer

Short questions

– If the blank is divided into small boxes, you can write only one character in each box. The answer must not exceed the designated number of boxes.
– Write legibly. Unrecognizable answers will be regarded as incorrect.