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2020 FAIR WEEK SCHEDULE -- March 14-22, 2020
Jefferson College -- 1000 Viking Drive; Hillsboro, MO

Monday, December 2, 2019: Science Safety Paperwork Due for projects being entered to compete in International Events: ISEF (9th-12th), Genius Olympiad (9th-12th), & Broadcom MASTERS (5th-8th Only). See for forms & more details. Contact with questions.

Online Project Registration Opens at 12:01 a.m. on Monday, September 30, 2019

Online Project Registration Closes at 11:59 p.m. on Monday, March 2, 2020

Digital Art Projects 
Due by Monday, March 2, 2020 via e-mail or Mail to Mastodon Fair; 1000 Viking Drive; Hillsboro, MO 63050

Saturday, March 14, 2020 from 5:30 p.m.-?
Sunday, March 15, 2020 (Dependent on what isn’t finished Saturday)

Project Drop-Off
Sunday, March 15, 2020 from 12-6 p.m.
Monday, March 16, 2020 from 8-11 a.m.

Art Portfolios Due no later than 11 a.m. on Monday, March 16, 2020. No Late Entries Accepted!

Project Layout/Set-Up – Closed to the Public!
Monday, March 16, 2020 from 11 a.m.-?

Judging – Closed to the Public!
Judges Needed for 1-2 hours. All projects will be scored by a minimum of two judges. Please sign-up today! 
Tuesday, March 17, 2020 from 12-7 p.m.
Wednesday, March 18, 2020 from 8 a.m.-3 p.m.

Open Viewing, Art Scholarship, & International Science Scholarship Competition Interviews
Thursday, March 19, 2020 from 4-7:30 p.m.

Project Scoring/Awards & Certificate Finalization – Closed to the Public!
Friday, March 20, 2020

Family Expo
Saturday, March 21, 2020 from 11 a.m.-3 p.m.
FREE and Open to the Public! Lots of art and science events, hands-on experiences, and open project viewing!

Awards Ceremony
Saturday, March 21, 2020 at 3 p.m.
All student participants will walk in the opening ceremony and receive recognition medallions. Awards and scholarships will be presented!

Photo backgrounds will be available for personal pictures or by Fair photographer!

Projects and portfolios are available for pick-up immediately at the conclusion of the Awards Ceremony. Portfolios will be located next to the Awards table.

Projects NOT picked up by Saturday, March 21, 2020 by 5 p.m. will be auctioned at our Nite at the Races fundraising event. Exceptions will only be made if prior contact is made with the Executive Director.

Saturday, March 21, 2020 after Awards Ceremony
Sunday, March 22, 2020 (dependent on what isn’t finished Saturday)

Mark your Calendar for the 2021 Fair - March 13-21, 2021



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 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.

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