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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 and Engineering Foundation.

Judging interviews for the 73rd annual California Science and Engineering Fair were held on Tuesday, April 16, 2024. This year there were 857 participants from 344 schools throughout the State who presented 704 projects in competition for awards totaling over $40,000.

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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 2024 Store is now open! Memorialize your achievement in being a participant in the California Science & Engineering Fair with CSEF 2024 branded merchandise. The store will only be open until April 29, after which all orders will be shipped.
Judge Registration
Qualified scientists and engineers who wish to judge at CSEF 2025 should visit the Judges Page below.

Important Information About the Fair for:


CSEF Reference Library:

Our 2024 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: Mon Apr 22 09:24:02 2024
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