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The Mastodon Fair is a 501(c)3 non-profit organization that supports K-12th grade students, teachers and parents to reach the goal of submitting creative and innovative projects in the annual regional competition held each March at Jefferson College in Hillsboro, Missouri. Over $55,000 in prizes, trips and scholarships are awarded to the 3,000+ participants. The Fair is 100% funded by donations and has been run by volunteers since 1979.

Mastodon Fair Endowment Fundraiser Wine Sale
Mastodon Fair GuideStar Profile