Category Descriptions

PLEASE NOTE there are revised categories for the 2026 fair!

LACSEF has revised its categories for the 2026 fair, adding new areas such as Applied Computational Science, Biomedical Engineering, and Robotics. Please click below for the complete list.

NEW 2026 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