International Logic Olympiad 2026–2027 — Online Student Competition
International Logic Olympiad for school students worldwide; three-round online format and December 2026 registration deadline.
Important Dates
Keep these dates handy while planning your entry. Deadlines can be time-sensitive, so confirm the current date and time on the official competition source before submitting.
About This Competition
About the Olympiad
The International Logic Olympiad (ILO) is a global reasoning and problem-solving competition for school students. It focuses on logical puzzles and mathematical reasoning, with an online qualification and later rounds.
Eligibility
Students in grades 3–12 from around the world may register. Participants are grouped by grade level and should check the organizer’s registration rules for any age or school verification requirements.
Format
The directory describes three stages: online qualification, a semi-final, and a final. Exact test windows, scoring rules and final-round arrangements should be confirmed on the official competition website.
Deadline
The source directory lists 31 December 2026 as the registration deadline. Check the official registration page for the precise cutoff time.
How to enter
Review the directory listing and use the organizer’s application link to confirm registration and fees.
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Claim this CompetitionEligibility
This section helps you quickly see whether the opportunity fits you. Always check the complete eligibility rules in the official organiser information before you enter.
Students in grades 3–12 worldwide
Frequently Asked Questions
These answers cover common questions participants may have when reviewing this listing. If something is not clear, check the official competition information before entering.
Who can enter this competition?
Students in grades 3–12 worldwide
What is the submission deadline?
December 31, 2026.
Is the competition free to enter?
Entry-fee information is not currently specified.
Is this competition online or offline?
The competition mode is not currently specified.
What prize is offered?
Prize information is not currently specified.
Where can I find the official entry instructions?
Official entry instructions are not currently linked in this listing.
What should I check before submitting?
Review eligibility, requirements, deadline, fee, format rules, and the official organizer instructions before submitting.
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