LOS ANGELES COUNTY SCIENCE & ENGINEERING FAIR

Category Descriptions

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. 

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Scenes from Past Fairs!

STUDENT PHOTOS