LOS ANGELES COUNTY SCIENCE & ENGINEERING FAIR

LA County Science Fair
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Competition Info

Impor­tant Dates & Dead­lines 2025 — 2026

LACSEF info 25–26 (PDF)

Eli­gi­bil­i­ty Policy

Rules and Regulations

Dis­play Regulations

Cat­e­go­ry Descriptions

 

SPONSORS

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Scenes from Past Fairs!

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Judging Day
LA County Science Fair
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LA County Science Fair

STUDENT PHOTOS

S1301-Adrian Pham and Ilia Ghatei_woodland hills
S1405_Seth Nabat_Woodland Hills
S1513_Tinwin Htun_North Hollywood_
S1301_team_woodland hills
S1009_Neil Hu_Temple City
S0811A-Anish Anand_Palos_Aerdes judging 2
S0905_Mingfei Xu_south pasadena
S1124_Yanjun Chen_Palos Verdes_judging
S1216_Chloe Chen_Brentwood_judging
S0811A_Anish Anand_Palos_Verdes_judging
S0703_Chin_and_Lin_Claremont
S0602_Zichen Wei_judging
S0602_Zichen Wei_Claremont
S0518_Inu Cho_Palos_verdes_judging
s0411-2
S0411_Maryam Solinman_Sydney Wynn_Palos_Verdes
S0211_Aidan Filson_Claremont
S0317B_Aaron Lee_judging_Carson_Long_Beach
S0304A_Team_Brentwood
S0111_Adam Lu_Michael Chao_Palos Verdes