Register until 10th Aug 2022.
The qualifier round is a 20-minute exam. You can do this online right now, later, or as a student at your school. The exam can be taken on your computer or smartphone, or on paper if you participate in a school.
Individual schools will be invited to register their events. Those events allow schools to host qualifiers for all participants at once. Upon verificaton, schools can also get printable versions of the sheets and conduct exams in paper form.
Each person can participate up to 4 times. If a participant is found to have participated more than 4 times they will be disqualified.
All participants will receive a certificate, and top participants a special honour.
Registration for CSO22 opening soon.