For the 2026 school year, there are 4 public charter schools serving 550 students in 95503, CA.
The top-ranked public charter schools in 95503, CA are Freshwater Charter Middle School, South Bay Charter and Northern United - Humboldt Charter. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public charter schools in zipcode 95503 have an average math proficiency score of 41% (versus the California public charter school average of 32%), and reading proficiency score of 48% (versus the 48% statewide average). Charter schools in 95503, CA have an average ranking of 7/10, which is in the top 50% of California public charter schools.
Minority enrollment is 41% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).
Best 95503, CA Public Charter Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Freshwater Charter Middle School
Charter School
(Math: 50-59% | Reading: 70-79%)
Rank:
Rank:
9/
Top 20%10
75 Greenwood Heights Dr.
Eureka, CA 95503
(707) 442-2969
Eureka, CA 95503
(707) 442-2969
Gr: 7-8 | 48 students Student-teacher ratio: 24:1 Minority enrollment: 35%
Rank: #22.
South Bay Charter
Charter School
(Math: 40-44% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
6077 Loma Ave.
Eureka, CA 95503
(707) 443-4828
Eureka, CA 95503
(707) 443-4828
Gr: K-8 | 63 students Student-teacher ratio: 21:1 Minority enrollment: 55%
Rank: #33.
Northern United - Humboldt Charter
Charter School
(Math: 40-44% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
2020 Campton Rd.
Eureka, CA 95503
(707) 445-2660
Eureka, CA 95503
(707) 445-2660
Gr: K-12 | 315 students Student-teacher ratio: 14:1 Minority enrollment: 39%
Rank: #44.
Northern United - Siskiyou Charter
Charter School
(Math: 20-29% | Reading: 40-49%)
Rank:
Rank:
5/
Bottom 50%10
423 South Broadway
Eureka, CA 95503
(530) 842-4509
Eureka, CA 95503
(530) 842-4509
Gr: K-12 | 124 students Student-teacher ratio: 12:1 Minority enrollment: 38%
95503, California Public Schools (Closed)
School
Location
Quick Facts
Eureka Secondary Community Day (Closed 2009)
Alternative School
674 Allard Ave.
Eureka, CA 95503
(707) 441-2467
Eureka, CA 95503
(707) 441-2467
Gr: 7-12 | 10 students Student-teacher ratio: 5:1 Minority enrollment: 30%
216 West Harris St.
Eureka, CA 95503
(707) 441-2446
Eureka, CA 95503
(707) 441-2446
Gr: K-6 | 200 students Student-teacher ratio: 14:1 Minority enrollment: 59%
Mattole Valley Charter (#159) (Closed 2023)
Charter School
210 Lindley Rd.
Eureka, CA 95503
(707) 629-3634
Eureka, CA 95503
(707) 629-3634
Gr: K-12 | 727 students Student-teacher ratio: 19:1 Minority enrollment: 31%
Frequently Asked Questions
What are the top-ranked public charter schools in 95503, CA?
The top-ranked public charter schools in 95503, CA include Freshwater Charter Middle School, South Bay Charter and Northern United - Humboldt Charter.
How many public charter schools are located in 95503?
4 public charter schools are located in 95503.
What is the racial composition of students in 95503?
95503 public charter schools minority enrollment is 41% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).