Thank you for your interest in Chicago International Model United Nations! CIMUN is a groundbreaking educational political simulation for high school students that will be held December 4-7, 2025 at the Fairmont Millennium Park hotel in Chicago.
Priority/Discounted registration and payment will be due October 15, and standard registration & delegate fee will be due November 7, 2025. All final school delegate counts will be due November 7, 2025.
Once you submit this registration form, further information regarding our position matrix and lottery will be sent from our USG Administration.
Delegate numbers may not be lowered after November 10, 2025. After this date, no refunds will be given and your school will be billed for any costs of your expected attendance that are deemed irrecovable by CIMUN.
Upon registration, our USG of Administration (Sue Khalaieff) will contact you with details about your position assignments. Please refer to our website to see the exciting selection of committees at CIMUN XXII!
Contact admin@cimun.org or secgen@cimun.org with any questions.