**Thank you for your patience as we are working on updating our website. We appreciate your patience during this process.


The Mastodon Art/Science Regional Fair is a 501(c)3 non-profit organization that supports students, teachers, and parents to reach the goal to explore, promote, inspire, and support student art and science projects in our regional competition held annually in March at Jefferson College in Hillsboro, MO.
Broadcom MASTERS Information Quick Link
GENIUS Olympiad Information Quick Link
ISEF Information Quick Link
Rules Quick Link (Suggested Reading for those NEW to the Fair)
Science Safety Form PDF Quick Link


To offer your assistance in any way, or if you have any questions, please contact Executive Director, Samantha DeClue, at director@nullmastodonfair.org or by phone at 314-529-1329.


All donations are tax deductible, as the Mastodon Fair is a 501(c)3 non-profit organization. Please make checks payable to: Mastodon Fair. Our mailing address is: Mastodon Fair, 1000 Viking Drive, Hillsboro, MO 63050.