Tired of Model UN through rose-colored glasses?
CIMUN is the conference where high schoolers practice real statecraft — 19 fully integrated committees, live crisis simulation, and one messy, realistic world: 1989. December 3–6, 2026 · Fairmont Chicago Millennium Park.
Early rates end September 23 — save $50 per school and $25 per delegate. 100% refunds through October 14.
Schools that come, come back
We go to 8 conferences, CIMUN is the best!
St Ignatius College Prep · Chicago, IL
CIMUN’s simulation is engaging, educational and challenging.
Carl Sandburg H.S. · Orland Park, IL
Alive and breathing comes to mind... The strength of this conference is the cross simulation crisis. Very real life.
Edens Senior High School · Edens, NY
One living, breathing world
Total simulation integration
Actions in one body directly impact every other — delegates collaborate as country teams to advance national interests across multiple fronts simultaneously.
Dynamic crisis simulations
Our dedicated crisis staff creates breaking developments throughout the conference, challenging delegates to respond to the unexpected just as real diplomats must.
A living media landscape
Headlines break in real time via the CIMUN News Network — delegates plant stories, counter narratives, and force adversaries into the light.
The power of the backroom
Private summits, clandestine meetings, tense negotiations in bunkers — power is brokered in the shadows before it is ever put to a vote.
Awards that recognize real statecraft
Our awards system honors diplomatic expertise and political innovation — mastery of a country’s position, plus adaptability in complex scenarios.
What you need to bring this to your principal
Educational outcomes. Negotiation, public speaking, strategic thinking, policy rigor — with background guides posted September 1, well before conference.
Logistics handled. The delegate fee includes 3 nights at the Fairmont (4 per room) plus the Thursday banquet — and the room block is managed by CIMUN.
Professional-grade staff. An independent, volunteer-run team of seasoned leaders — from international law to political journalism.
Risk-free decision. 100% refunds through October 14; 50% refunds through November 9.
September 22, 7:30 PM CDT. Sit in, ask anything, and see whether CIMUN fits your school — no commitment required.
Ask us about the Town Hall →
19 committees & cabinets, set in 1989
All 19 committees and cabinets are set in 1989 — one living simulation. Background guides posted September 1.
- UN General Assembly (UNGA)
- UN Security Council (UNSC)
- International Atomic Energy Agency (IAEA)
- Organization of American States (OAS)
- International Court of Justice (ICJ)
- North Atlantic Treaty Organization (NATO)
- Warsaw Pact Organization Summit
- CIMUN Chronicle — Press
- Senate of the United States of America
- Cabinet of the United States of America
- Council of Ministers of the USSR
- Council of Ministers of the German Democratic Republic (East Germany)
- National Security Council of the Federal Republic of Germany (West Germany)
- Cabinet of the United Kingdom
- Council of Ministers of the Polish People’s Republic
- State Council of the People’s Republic of China
- Guardian Council of the Islamic Republic of Iran
- Council of Ministers of the Islamic Republic of Iran
- First & Second Ad-Hoc Committees of the Secretary General
Simple, all-in pricing
- Includes 3 nights at the Fairmont + opening banquet
- $150 school registration (early rate)
- Early rates end September 23
Plan your school’s trip to CIMUN XXIII
Questions, advisor info packet, or a 15-minute call — tell us what you need. We reply within one business day.
Early rates end September 23 — save $50 per school and $25 per delegate. 100% refunds through October 14.
Write to us at admin@cimun.org
Institute for Diplomacy Education and Advocacy
1440 W. Taylor Street, Suite #287
Chicago, IL 60607 USA
It’s your world.
Fix it.
Warning: side effects may include mind expansion, broadened points of view, and the development of diplomatic, critical-thinking and leadership skills.