Eligibility

To be eligible to participate in the ILO, you must:

• Be enrolled as a high-school student at the time of registration
• Be between the ages of 14-18 by January 1st 2026
• Be able to understand, communicate, and complete exams in English

How To Register

The registration process for the International Logic Olympiad (ILO) is simple and straightforward. Only requiring 4 steps to be fully registered:

Step 1: Create an Account

• Participants must first create an account on our platform. Upon completing the sign-up, you will receive an email to verify your address. Verification is required to proceed with the next steps. Please note that creating an account does not automatically register you for the competition.

Step 2: Pick Testing Location

• Participants must select their residence location from the provided list for the testing date. After payment, a verification process will confirm your chosen location, so please review and select carefully.

Step 3: Payment

• After verifying your email and selecting location, you can log in to the testing portal to complete your payment for the Olympiad.

Step 4: Location Verification

• After payment, depending on your location selection you will need to submit proof of your location to finalize your registration for the Olympiad.

Important Dates

January 14th: Registration Opens

March 18th: Registration Closes

April 25th-26th: Preliminary Round

May 4th: Finalists Announced

July 1st-3rd: Final round at Stanford University

Registration Fee

Please note that participation in the International Logic Olympiad requires a 50$ registration fee

Financial Aid

Who is Eligible?

We believe that financial limitations should not hinder anyone from participating in the ILO. Therefore, financial aid is available for students who qualify. Students whose family income is less than $20,000 annually can apply for financial aid. To apply, participants must complete a financial aid application form and provide supporting documentation, such as tax returns or pay stubs, proving the family’s financial situation. Applications for financial aid are open until February 17th, 2026 (11:59pm PST) , and decisions will be communicated to applicants by February 21st, 2026.

How to Apply

• Complete the application form↗ with your personal information and proof of income.
• All documents must be submitted before the deadline, which will be communicated on the website and through email notifications.

What Financial Aid Covers

The financial aid only applies to the $50 registration fee. Please note that it does not cover other expenses.

Applications will be reviewed, and you will be notified of the outcome before the registration deadline by February 21st, 2026. Our goal is to ensure that all eligible students have the opportunity to participate in the ILO without financial barriers.