← Competitions
COMPETITION · 2027

Ivy League Model United Nations Conference (ILMUNC XLIII) · 2027

University of Pennsylvania student organizers / ILMUNC

Source review: 2026-10-11 · Reviewed catalog; automatic source updates are not active yet

A high-school Model UN conference in Philadelphia with multiple committee formats. Registration and payment periods precede the January conference.

Eligibility & application

High-school delegations participate with faculty advisors or chaperones and agree to the delegate and faculty-advisor codes of conduct. Review committee, delegation and accommodation policies; the conference requires hotel arrangements through ILMUNC for the host hotel and applies restrictions/charges to outside accommodation.

Philadelphia, PA · in-person · open

Education level: high school

Regular registration: $100 per delegate, $45 per advisor, $70 per school; late delegate fee $125. Host-hotel rate is $309 per room per night plus fees/taxes, with extra charges and committee restrictions for outside accommodation. Financial aid has a separate October 31 application deadline.

January 21–24, 2027 at Philadelphia Marriott Downtown. Each registration period also has its payment deadline; failure to pay moves the delegation to the next rate and can affect committee priority.

Published dates

confirmed · Calendar ready · included with program

Early registration opens

May 1, 2026

Date source ↗
confirmed · Calendar ready · included with program

Regular registration / payment ends

Oct 31, 2026

Date source ↗
confirmed · Calendar ready · included with program

Financial-aid applications due

Oct 31, 2026

Date source ↗
confirmed · Calendar ready · included with program

Financial-aid decisions

Nov 7, 2026

Date source ↗
confirmed · Calendar ready · included with program

Late registration / payment ends

Nov 30, 2026

Date source ↗
confirmed · Calendar ready · included with program

ILMUNC XLIII conference

Jan 21, 2027 – Jan 24, 2027

Date source ↗

Unannounced dates are kept pending. Dated history is included when you add a program; reminders apply to future dates. Date-only events do not have an invented cutoff time. The organizer confirms final eligibility and availability.

Open this opportunity in the planner →

Official evidence