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The California Science & Engineering Fair is the final science fair of the academic year for students throughout the State of California in grades 6 - 12, serving California's future scientists and engineers since 1952. The fair is hosted by the California Science Center.

The 69th annual California Science & Engineering Fair (2020) was canceled. The 70th annual California Science & Engineering Fair (2021) will be held on April 12-13, 2021. That's only 204 days away!

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Latest News from the Fair:

CSEF 2020 Canceled
We regret to announce that due to the COVID-19 crisis, CSEF 2020 has been canceled. Students who have already paid their Application Fees will have those fees refunded.
2021 Dates
The 2021 California Science & Engineering Fair will be held on Monday and Tuesday, April 12-13, 2021.

Important Information About the Fair for:


CSEF Reference Library:

Special thanks go to the following organizations for their generous donations and volunteer efforts for the Fair.

Presenting Benefactor: Benefactor:
NGC logo   Chevron Corporation
Other benefactors and category sponsors: Broadcom Foundation, Gilead Sciences, Inc., THE MUSES of the California Science Center Foundation, The Ralph M. Parsons Foundation, United Airlines, and The Cheryl Saban Self-Worth Foundation for Women & Girls. [CSEF_bar]

Haven't been to the Fair? Here are some of the photographs from previous years taken by our photographer. For the historically-minded, here's a short photo essay using photographs taken about twenty five years ago.

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Last updated: Thu Apr 16 15:49:05 2020
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