Exam Schedule
The International Logic Olympiad (ILO) begins with a single in-person Preliminary Round and culminates in the in-person Final Round at Stanford University.
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All topics needed for the ILO Junior can be found in the Syllabus↗.
Preliminary Round
- Date: April 18th-19th
- Preliminary Round Exam will be taken in-person at regional partner locations.
Final Round (In-Person at Stanford University)
- The 3 day final round event will be held in-person on July 1st-3rd
Taking Exams
- You must bring a valid photo ID for verification.
- Arrive early to the testing location to allow time for check-in.
- You must complete the test individually within the allotted timeframe.
- All exam rules and proctor instructions must be followed at all times.
- Failure to comply with exam rules may result in a score of 0.
- If you encounter any issues during the exam, you must notify the proctor immediately so that assistance can be provided.
Grading
There is no minimum cut-off score; selection is relative to the participant pool at each regional partner location
Finalists will be chosen based on individual performance in the Preliminary Round compared to the participant pool from the in-person regional exam. These finalists will then be put into a team for the final round representing their region/country.
Final Round At Stanford University
The International Logic Olympiad (ILO) 2026 Final will be held in-person at Stanford University. Finalists from around the world will participate in a three-day event featuring the final round of testing, engaging logic puzzles, and exclusive campus tours. Participants are expected to arrange their own travel, and while we do not facilitate visas, we can provide necessary documentation for individuals who require it. There will be an expected cost for finalist to cover food and other event-related expenses, subject to change depending on final arrangements and unforeseen circumstances.

