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From our student MUN press:

The Mira Costa Model UN Program attended the Canadian High Schools Model United Nations Conference (CAHSMUN) in Vancouver, Canada. Our delegates delivered an excellent performance, earning the Best Large Delegation Award for the school, along with various Best Delegate, Outstanding Delegate, and Commendation Awards. In addition, our students experienced a

MUN Update – March 2025

Mira Costa Model UN has been hard at work, traveling to New York’s prestigious NHSMUN Conference where the program took home the Best Large Delegation Award, 4 Awards of Distinction, and 6 Plenary Speaker Awards on March 12th. From the debate itself, to hearing a speech from former President Joe

2025 MUN Spring Conferences

  ILMUNC at UPenn, January 21-26, 2025  BMUN at UC Berkeley, March 7-9, 2025 NHSMUN at New York City, March 11-15, 2025 UC Davis (TBD)

MUN is continuing to work hard in debates!

Our delegates have showcased their skills at Edison High School and at BruinMUN, UCLA’s renowned Model UN conference. Select delegates traveling to William & Mary Conference have just concluded roasts, a Costa tradition of quizzing delegates on their topics to prepare for a debate. Meanwhile, Costa MUN is stepping out

MUN Updates

On February 2nd and 3rd, many of our students participated in Surf City XXI in Huntington Beach. In addition to many individual accolades, our students took home the award for the Best Large Delegation. Great work! “This is Costa 2” is almost here. Our General Secretaries and Chiefs of Staff

MCHS 29th annual LAIMUN Conference

On December 2nd and 3rd, the Mira Costa Model United Nations program hosted their 29th annual LAIMUN conference. It brought together 1,250 delegates from all across Southern California to debate topics and problems which our world face today. Huntington Beach High School won the best large school delegation award, and

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