Calaveras County Science Fair 2 6 Central California Regional Science, Math, & Engineering Fair 26 57 Chico Science Fair 3 6 Greater San Diego Science & Engineering Fair 15 97 Humboldt County Science Fair 2 18 Kern County Science Fair 10 43 Los Angeles County Science Fair 6 104 Mendocino County Science Fair 8 14 Monterey County Science Fair 9 22 Placer County STEM Expo 3 6 Sacramento Regional Science & Engineering Fair 2 14 San Joaquin County Science Fair 2 7 San Mateo Science, Math, & Technology Fair 21 36 Santa Barbara Science Fair 15 24 Santa Cruz County Science & Engineering Fair 5 40 Synopsys Silicon Valley Science and Technology Championship 1 97 Synopsys Sonoma County Science Fair 6 6 Tulare County Science Fair 2 6