For the 2026 school year, there are 2 public charter schools serving 278 students in 94558, CA.
The top-ranked public charter school in 94558, CA is Stone Bridge. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public charter schools in zipcode 94558 have an average math proficiency score of 32% (versus the California public charter school average of 32%), and reading proficiency score of 57% (versus the 48% statewide average). Charter schools in 94558, CA have an average ranking of 7/10, which is in the top 50% of California public charter schools.
Minority enrollment is 38% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).
Best 94558, CA Public Charter Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Stone Bridge
Charter School
(Math: 30-34% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
1019 2nd Ave.
Napa, CA 94558
(707) 252-5522
Napa, CA 94558
(707) 252-5522
Gr: K-8 | 278 students Student-teacher ratio: 28:1 Minority enrollment: 38%
Rank: n/an/a
Mayacamas Charter Middle School
Charter School
983 Napa St.
Napa, CA 94558
(415) 515-4226
Napa, CA 94558
(415) 515-4226
Gr: 6-8
Frequently Asked Questions
What are the top-ranked public charter schools in 94558, CA?
The top-ranked public charter schools in 94558, CA include Stone Bridge.
How many public charter schools are located in 94558?
2 public charter schools are located in 94558.
What is the racial composition of students in 94558?
94558 public charter schools minority enrollment is 38% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).
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