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Welcome to the Alameda County Science & Engineering Fair!

The Alameda County Science and Engineering Fair (ACSEF) is affiliated with Thermo Fisher Scientific Junior Innovators Challenge the prestigious national middle school competition, CSEF - CA state science & engineering fair competition, and Regeneron ISEF the international science fair competition.

Check out Results from this years' fair!

Check out Photos from the Fair

Category Award Certificates (1st - 4th Place) now available on zFairs. Please email if certificate is not present or incorrect.

Not a Student?

There are plenty of ways to get involved. Please check out the following pages on how you can support ACSEF.


June 4, 2023

Congratulations to ACSEF participants who have competed at CSEF and ISEF.


About CSEF:

  • 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.

About ISEF: 

  • High School Scientists and Engineers Win Nearly $9 Million at the Regeneron International Science and Engineering Fair 2023

  • There were 1638 student participants

  • 1324 Projects

  • 372 Affiliated Science Fairs

  • 64 Countries

  • 50% Female, 48% Male, 1% Non-binary 

March 26, 2023

ACSEF 2023 is now complete! Check out our awards announcements below​​

Please log on to zfairs and look under PAPERWORK for your certificates

Category Award Certificates (1st - 4th Place) now available on zFairs. Please email if certificate is not present or incorrect.

Become a Patron Donor

The IRS requires 501(C)(3) public charity nonprofit organizations to receive 1/3 of their funding from the public at large. We are short of that this year. Every $25 or more donation helps.

Tax ID 45-1800245

Thank you to all of our 2023 Special Award Sponsors

ACSEF Organizing Board

      ● President's Award
      ● Director’s Award
      ● Emerging Scientist Award
      ● Longevity Achievement Award
Alameda County Water and Wastewater Agencies
American Psychological Association
Association for Women Geoscientists
Broadcom Coding With Commitment

Chevron Innovation Award

Lemelson Foundation Award

NASA Earth System Science Award
National Geographic Award
National Oceanic and Atmospheric Administration
Northern California Institute of Food Technologists
Office of Naval Research - U.S. Navy / U.S. Marine Corps

Regeneron Biomedical Science Award

Ricoh USA, Inc.
Society for In Vitro Biology
Switch Therapeutics Biology Award
Switch Therapeutics Chemistry Award
U.S. Metric Association
U.S. Stockholm Junior Water Prize
Yale Science and Engineering Association


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The Synopsys Outreach Foundation • Chevron Education • Professional Engineers in California Government • Society for Science • Exelixis • Ohlone For Kids • Sandia National Laboratories • Lawrence Livermore National Laboratory • Consor • and the combined efforts of the Alameda County Water and Wastewater Agencies  • Broadcom Foundation

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