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Public School Review - Established 2003

Best Sonoma County Public Charter Schools (2026)

For the 2026 school year, there are 51 public charter schools serving 17,370 students in Sonoma County, CA.
The top-ranked public charter schools in Sonoma County, CA are Petaluma Accelerated Charter, Santa Rosa Accelerated Charter and Credo High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sonoma County, CA public charter schools have an average math proficiency score of 37% (versus the California public charter school average of 32%), and reading proficiency score of 49% (versus the 48% statewide average). Charter schools in Sonoma County have an average ranking of 7/10, which is in the top 50% of California public charter schools.
Minority enrollment is 54% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).

Best Public Charter Schools in Sonoma County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Petaluma Accelerated Charter
Charter School
(Math: ≥95% | Reading: 90-94%)
Rank:
10/
10
Top 1%
110 Ellis St.
Petaluma, CA 94952
(707) 778-4750
Gr: 7-8 | 115 students Student-teacher ratio: 23:1 Minority enrollment: 47%
Rank: #22.
Santa Rosa Accelerated Charter
Charter School
(Math: 80-84% | Reading: 75-79%)
Rank:
10/
10
Top 5%
4650 Badger Rd.
Santa Rosa, CA 95409
(707) 890-3860
Gr: 5-6 | 128 students Student-teacher ratio: 32:1 Minority enrollment: 33%
Rank: #33.
Credo High School
Charter School
(Math: 55-59% | Reading: 80-84%)
Rank:
10/
10
Top 10%
1300 Valley House Dr. Ste. 100
Rohnert Park, CA 94928
(707) 664-0600
Gr: 9-12 | 441 students Student-teacher ratio: 14:1 Minority enrollment: 38%
Rank: #44.
Liberty Elementary School
Charter School
(Math: 70-74% | Reading: 65-69%)
Rank:
9/
10
Top 20%
170 Liberty School Rd.
Petaluma, CA 94952
(707) 795-4380
Gr: 1-6 | 162 students Student-teacher ratio: 23:1 Minority enrollment: 34%
Rank: #55.
Gravenstein Elementary School
Charter School
(Math: 66% | Reading: 68%)
Rank:
9/
10
Top 20%
3840 Twig Ave.
Sebastopol, CA 95472
(707) 823-5361
Gr: K-5 | 464 students Student-teacher ratio: 20:1 Minority enrollment: 42%
Rank: #66.
Twin Hills Charter Middle School
Charter School
(Math: 55-59% | Reading: 70%)
Rank:
9/
10
Top 20%
1685 Watertrough Rd.
Sebastopol, CA 95472
(707) 823-7446
Gr: 6-8 | 207 students Student-teacher ratio: 17:1 Minority enrollment: 42%
Rank: #77.
Sonoma Mountain Elementary School
Charter School
(Math: 61% | Reading: 66%)
Rank:
9/
10
Top 20%
1900 Rainier Cir.
Petaluma, CA 94954
(707) 765-4305
Gr: K-6 | 422 students Student-teacher ratio: 25:1 Minority enrollment: 30%
Rank: #88.
Hillcrest Middle School
Charter School
(Math: 53% | Reading: 69%)
Rank:
9/
10
Top 20%
725 Bloomfield Rd.
Sebastopol, CA 95472
(707) 823-7653
Gr: 6-8 | 297 students Student-teacher ratio: 17:1 Minority enrollment: 39%
Rank: #99.
Village Charter
Charter School
(Math: 50-59% | Reading: 60-69%)
Rank:
9/
10
Top 20%
2590 Piner Rd.
Santa Rosa, CA 95401
(707) 524-2848
Gr: K-8 | 118 students Minority enrollment: 47%
Rank: #1010.
Santa Rosa French-american Charter (Srfacs)
Charter School
(Math: 52% | Reading: 60-64%)
Rank:
9/
10
Top 20%
1350 Sonoma Ave.
Santa Rosa, CA 95405
(707) 890-3930
Gr: K-8 | 525 students Student-teacher ratio: 20:1 Minority enrollment: 46%
Rank: #11 - 1311. - 13.
Salmon Creek School - A Charter
Charter School
(Math: 45-49% | Reading: 65-69%)
Rank:
9/
10
Top 20%
1935 Bohemian Hwy.
Occidental, CA 95465
(707) 874-1205
Gr: 2-8 | 162 students Student-teacher ratio: 18:1 Minority enrollment: 30%
Rank: #11 - 1311. - 13.
Sebastopol Independent Charter
Charter School
(Math: 45-49% | Reading: 65-69%)
Rank:
9/
10
Top 20%
1111 Gravenstein Hwy. N
Sebastopol, CA 95472
(707) 824-9700
Gr: K-8 | 286 students Student-teacher ratio: 20:1 Minority enrollment: 26%
Rank: #11 - 1311. - 13.
Sunridge Charter
Charter School
(Math: 45-49% | Reading: 65-69%)
Rank:
9/
10
Top 20%
7285 Hayden Ave.
Sebastopol, CA 95472
(707) 824-2844
Gr: K-8 | 256 students Student-teacher ratio: 26:1 Minority enrollment: 24%
Rank: #1414.
Mark West Charter
Charter School
(Math: 45-49% | Reading: 60-64%)
Rank:
8/
10
Top 30%
4600 Lavell Rd.
Santa Rosa, CA 95403
(707) 524-2741
Gr: K-8 | 124 students Student-teacher ratio: 18:1 Minority enrollment: 53%
Rank: #1515.
River Montessori Elementary Charter
Charter School
(Math: 40-44% | Reading: 60-69%)
Rank:
8/
10
Top 30%
3880 Cypress Dr. Ste. B
Petaluma, CA 94954
(707) 778-6414
Gr: K-6 | 144 students Student-teacher ratio: 24:1 Minority enrollment: 44%
Rank: #1616.
Dunham Charter
Charter School
(Math: 40-49% | Reading: 60-64%)
Rank:
8/
10
Top 30%
4111 Roblar Rd.
Petaluma, CA 94952
(707) 795-5050
Gr: K-6 | 166 students Student-teacher ratio: 21:1 Minority enrollment: 27%
Rank: #1717.
Live Oak Charter
Charter School
(Math: 35-39% | Reading: 65-69%)
Rank:
8/
10
Top 30%
100 Gnoss Concourse Bldg. 1
Petaluma, CA 94952
(707) 762-9020
Gr: K-8 | 271 students Student-teacher ratio: 21:1 Minority enrollment: 27%
Rank: #1818.
Mary Collins Charter School At Cherry Valley
Charter School
(Math: 44% | Reading: 57%)
Rank:
8/
10
Top 30%
1001 Cherry St.
Petaluma, CA 94952
(707) 778-4740
Gr: K-8 | 494 students Student-teacher ratio: 26:1 Minority enrollment: 27%
Rank: #1919.
Spring Lake Charter
Charter School
(Math: 38% | Reading: 62%)
Rank:
8/
10
Top 30%
4675 Mayette Ave.
Santa Rosa, CA 95405
(707) 545-1771
Gr: K-8 | 383 students Student-teacher ratio: 15:1 Minority enrollment: 47%
Rank: #2020.
Old Adobe Elementary Charter
Charter School
(Math: 45-49% | Reading: 50-54%)
Rank:
8/
10
Top 30%
2856 Adobe Rd.
Petaluma, CA 94954
(707) 765-4301
Gr: K-6 | 278 students Student-teacher ratio: 25:1 Minority enrollment: 31%
Rank: #2121.
Oak Grove Elementary/willowside Middle School
Charter School
(Math: 42% | Reading: 55%)
Rank:
8/
10
Top 30%
5299 Hall Rd.
Santa Rosa, CA 95401
(707) 542-0171
Gr: 1-8 | 708 students Student-teacher ratio: 21:1 Minority enrollment: 42%
Rank: #2222.
Village Elementary Charter
Charter School
(Math: 44% | Reading: 50%)
Rank:
7/
10
Top 50%
900 Yulupa Ave.
Santa Rosa, CA 95405
(707) 545-5754
Gr: K-6 | 384 students Student-teacher ratio: 24:1 Minority enrollment: 58%
Rank: #2323.
Penngrove Elementary School
Charter School
(Math: 39% | Reading: 53%)
Rank:
7/
10
Top 50%
365 Adobe Rd.
Penngrove, CA 94951
(707) 778-4755
Gr: K-6 | 472 students Student-teacher ratio: 30:1 Minority enrollment: 35%
Rank: #2424.
Piner-olivet Charter
Charter School
(Math: 43% | Reading: 45-49%)
Rank:
7/
10
Top 50%
2707 Francisco Ave.
Santa Rosa, CA 95403
(707) 522-3310
Gr: 7-8 | 212 students Student-teacher ratio: 27:1 Minority enrollment: 76%
Rank: #2525.
Sonoma Charter
Charter School
(Math: 35-39% | Reading: 45-49%)
Rank:
7/
10
Top 50%
17202 Sonoma Hwy.
Sonoma, CA 95476
(707) 935-4232
Gr: K-8 | 246 students Student-teacher ratio: 25:1 Minority enrollment: 55%
Rank: #2626.
San Miguel Elementary School
Charter School
(Math: 45% | Reading: 40%)
Rank:
7/
10
Top 50%
5350 Faught Rd.
Santa Rosa, CA 95403
(707) 524-2960
Gr: K-6 | 401 students Student-teacher ratio: 20:1 Minority enrollment: 43%
Rank: #2727.
Binkley Elementary Charter
Charter School
(Math: 30-34% | Reading: 45-49%)
Rank:
6/
10
Top 50%
4965 Canyon Dr.
Santa Rosa, CA 95409
(707) 539-6060
Gr: K-6 | 351 students Student-teacher ratio: 22:1 Minority enrollment: 50%
Rank: #2828.
Whited Elementary Charter
Charter School
(Math: 33% | Reading: 45%)
Rank:
6/
10
Top 50%
4995 Sonoma Hwy.
Santa Rosa, CA 95409
(707) 539-2400
Gr: K-6 | 327 students Student-teacher ratio: 20:1 Minority enrollment: 65%
Rank: #2929.
Santa Rosa Charter School For The Arts
Charter School
(Math: 28% | Reading: 49%)
Rank:
6/
10
Top 50%
756 Humboldt St.
Santa Rosa, CA 95404
(707) 890-3920
Gr: K-8 | 384 students Student-teacher ratio: 19:1 Minority enrollment: 38%
Rank: #3030.
John B. Riebli Elementary School
Charter School
(Math: 32% | Reading: 44%)
Rank:
6/
10
Top 50%
315 Mark West Springs Rd.
Santa Rosa, CA 95404
(707) 524-2980
Gr: K-6 | 411 students Student-teacher ratio: 21:1 Minority enrollment: 38%
Rank: #3131.
Manzanita Elementary Charter
Charter School
(Math: 31% | Reading: 40%)
Rank:
6/
10
Top 50%
1687 Yulupa Ave.
Santa Rosa, CA 95405
(707) 545-1771
Gr: K-6 | 369 students Student-teacher ratio: 19:1 Minority enrollment: 62%
Rank: #32 - 3332. - 33.
Guerneville Elementary (Charter)
Charter School
(Math: 25-29% | Reading: 40-44%)
Rank:
6/
10
Top 50%
14630 Armstrong Woods Rd.
Guerneville, CA 95446
(707) 869-2864
Gr: K-8 | 171 students Student-teacher ratio: 17:1 Minority enrollment: 46%
Rank: #32 - 3332. - 33.
Woodland Star Charter
Charter School
(Math: 25-29% | Reading: 40-44%)
Rank:
6/
10
Top 50%
11700 Dunbar Rd.
Glen Ellen, CA 95442
(707) 996-3849
Gr: K-8 | 244 students Student-teacher ratio: 22:1 Minority enrollment: 43%
Rank: #3434.
Loma Vista Immersion Academy
Charter School
(Math: 39% | Reading: 30-34%)
Rank:
5/
10
Bottom 50%
207 Maria Dr.
Petaluma, CA 94954
(707) 765-4302
Gr: K-6 | 451 students Student-teacher ratio: 25:1 Minority enrollment: 78%
Rank: #3535.
Roseland Charter
Charter School
(Math: 23% | Reading: 47%)
Rank:
5/
10
Bottom 50%
1691 Burbank Ave.
Santa Rosa, CA 95407
(707) 545-0102
Gr: K-12 | 1,254 students Student-teacher ratio: 19:1 Minority enrollment: 98%
Show 16 more public schools in Sonoma County, CA (out of 51 total schools)
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Frequently Asked Questions

What are the top-ranked public charter schools in Sonoma County, CA?
The top-ranked public charter schools in Sonoma County, CA include Petaluma Accelerated Charter, Santa Rosa Accelerated Charter and Credo High School.
How many public charter schools are located in Sonoma County?
50 public charter schools are located in Sonoma County.
What is the racial composition of students in Sonoma County?
Sonoma County public charter schools minority enrollment is 54% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).
Which public charter schools in Sonoma County are often viewed compared to one another?

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