The ranking below is based on the percentage of schools within a county which have placed in the top 10% of all schools statewide.
A school's overall rank is based on its combined math and reading proficiency test score ranking. Schools are ranked and compared within their own state only.
Statewide Range: 20%
29%
Avg. Statewide: 24%
Top-Ranked Counties With Best Public Schools in California (2026)
County
% of Schools in
Top 10% Statewide
Top 10% Statewide
Top-Ranked Schools
(Math Proficiency % | Reading Proficiency %)
(Math Proficiency % | Reading Proficiency %)
Rank: #11.
29%
(52 out of 179)
(52 out of 179)
Rank: #22.
28%
(115 out of 404)
(115 out of 404)
- Millikin Elementary School
Rank: #2 of 9,523 (Top 1%)
(Math: 95% | Reading: 96%) - Murdock-portal Elementary School
Rank: #5 of 9,523 (Top 1%)
(Math: 97% | Reading: 95%) - William Faria Elementary School
Rank: #5 of 9,523 (Top 1%)
(Math: 97% | Reading: 95%) - View Full List of Top-Ranked Santa Clara County, CA Schools
Rank: #33.
27%
(20 out of 75)
(20 out of 75)
- Old Mill Elementary School
Rank: #59 of 9,523 (Top 1%)
(Math: 85-89% | Reading: 85-89%) - Park Elementary School
Rank: #156 of 9,523 (Top 5%)
(Math: 85-89% | Reading: 80-84%) - Ross Elementary School
Rank: #181 of 9,523 (Top 5%)
(Math: 81% | Reading: 85%) - View Full List of Top-Ranked Marin County, CA Schools
Rank: #44.
22%
(141 out of 643)
(141 out of 643)
Rank: #55.
21%
(57 out of 271)
(57 out of 271)
- Wagner Ranch Elementary School
Rank: #36 of 9,523 (Top 1%)
(Math: 90-94% | Reading: 88%) - Happy Valley Elementary School
Rank: #80 of 9,523 (Top 1%)
(Math: 85% | Reading: 88%) - Glorietta Elementary School
Rank: #92 of 9,523 (Top 1%)
(Math: 87% | Reading: 86%) - View Full List of Top-Ranked Contra Costa County, CA Schools
Rank: #66.
20%
(84 out of 417)
(84 out of 417)
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