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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 70th annual California Science & Engineering Fair (2021) will be held on April 12-13, 2021. That's only 47 days away!

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Latest News from the Fair:

2021 Dates – The Fair is On!
The 2021 California Science & Engineering Fair will be held on Monday and Tuesday, April 12-13, 2021. The fair will be held online only. Most of the details concerning the operation of CSEF 2021 are yet to be determined, and will be posted here as they are decided.

Important Information About the Fair for:


CSEF Reference Library:


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: Tue Oct 27 16:46:35 2020
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