| Alameda County Science & Engineering Fair |
18 |
17 |
| Calaveras County Science Fair |
2 |
6 |
| Central California Regional Science, Math, & Engineering Fair |
62 |
57 |
| Chico Science Fair |
4 |
6 |
| Contra Costa County Science & Engineering Fair |
1 |
14 |
| Greater San Diego Science & Engineering Fair |
41 |
97 |
| Humboldt County Science Fair |
13 |
18 |
| Kern County Science Fair |
36 |
43 |
| Lassen County Science Fair |
5 |
6 |
| Los Angeles County Science Fair |
34 |
104 |
| Mendocino County Science Fair |
17 |
14 |
| Monterey County Science Fair |
22 |
22 |
| Placer County STEM Expo |
6 |
6 |
| Sacramento Regional Science & Engineering Fair |
9 |
14 |
| San Benito County Science Fair |
1 |
6 |
| San Francisco Bay Area Science Fair |
6 |
23 |
| San Joaquin County Science Fair |
6 |
7 |
| San Mateo Science, Math, & Technology Fair |
43 |
36 |
| Santa Barbara Science Fair |
23 |
24 |
| Santa Cruz County Science & Engineering Fair |
23 |
40 |
| Synopsys Silicon Valley Science and Technology Championship |
23 |
97 |
| Synopsys Sonoma County Science Fair |
9 |
6 |
| Tulare County Science Fair |
6 |
6 |