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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.

Judging interviews of all projects in the 72nd annual California Science & Engineering Fair were held on Tuesday, April 11, 2023. This year there were 896 participants from 351 schools throughout the State who presented 743 projects in competition for awards totaling over $60,000.

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Latest News from the Fair:

Here are all Majors Fair awards, Category Awards, and Sponsored Awards.
Fair Store Open!
The CSEF 2023 Store is now openi Memorialize your achievement in being a participant in the California Science & Engineering Fair with CSEF 2023 branded merchandise. The store will only be open until April 25, after which all orders will be shipped. Here’s a brief list of what you'll find.
Project Displays
All projects, including their Project Presentations, are available for public viewing at our zFairs 2023 site. Click on its menu item “Fair” and then “Showcase.”

Important Information About the Fair for:


CSEF Reference Library:

Our 2023 Benefactors:


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 a few decades ago.

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Last updated: Thu Apr 13 11:57:44 2023
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