For the 2026 school year, there are 4 public charter schools serving 561 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 42% 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 | 51 students Student-teacher ratio: 26:1 Minority enrollment: 37%
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 | 44 students Student-teacher ratio: 22:1 Minority enrollment: 49%
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 | 330 students Student-teacher ratio: 12:1 Minority enrollment: 42%
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 | 136 students Student-teacher ratio: 17:1 Minority enrollment: 41%
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 42% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).
Recent Articles
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.