International Logic Olympiad
In our first year, we're proud to support:
3500+
Participants
92
Countries
2100+
Schools
What is the ILO?
The International Logic Olympiad is the leading logic competition hosted annually in partnership with Stanford University to promote and internationalize logic education.
Offering high school students worldwide a chance to showcase excellence in logic and problem-solving, The ILO culminates in an on-campus final round at Stanford University during the summer of 2025.
Life & Career Skills
Develop and sharpen advanced logic reasoning and problem-solving skills that are applicable both in professional settings and personal growth.
Academic Excellence
Challenge yourself with a globally recognized curriculum developed for Stanford University students.
Elite Network
Connect with brilliant students, mentors, and professors from top universities around the world.
Global Recognition
Showcase your abilities, represent your country, and earn international acclaim at Stanford University for the final round.
Get Involved Differently
Are you interested in stepping up your involvement in the ILO? Whether you are a previous participant or brand new to the world of logic, we have plenty of ways for you to get involved. Learn more about what it means to become an ILO Ambassador below.
Stay Connected
Subscribe to receive the latest ILO updates