For the 2026 school year, there are 3 public charter schools serving 691 students in Malheur County, OR.
The top-ranked public charter schools in Malheur County, OR are Annex Charter School, Harper Charter School and Four Rivers Community School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Malheur County, OR public charter schools have an average math proficiency score of 26% (versus the Oregon public charter school average of 34%), and reading proficiency score of 44% (versus the 51% statewide average). Charter schools in Malheur County have an average ranking of 3/10, which is in the bottom 50% of Oregon public charter schools.
Minority enrollment is 56% of the student body (majority Hispanic), which is more than the Oregon public charter school average of 29% (majority Hispanic).
Best Public Charter Schools in Malheur County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Annex Charter School
Charter School
(Math: 40-49% | Reading: 50-59%)
Rank:
Rank:
8/
Top 30%10
402 Annex Rd
Ontario, OR 97914
(541) 262-3280
Ontario, OR 97914
(541) 262-3280
Gr: K-12 | 131 students Student-teacher ratio: 16:1 Minority enrollment: 24%
Rank: #22.
Harper Charter School
Charter School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
8/
Top 30%10
2987 Harper/westfall Rd
Harper, OR 97906
(541) 358-2473
Harper, OR 97906
(541) 358-2473
Gr: K-12 | 258 students Student-teacher ratio: 18:1 Minority enrollment: 20%
Rank: #33.
Four Rivers Community School
Charter School
(Math: 15-19% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
2449 Sw 4th Ave
Ontario, OR 97914
(541) 889-3715
Ontario, OR 97914
(541) 889-3715
Gr: K-12 | 367 students Student-teacher ratio: 18:1 Minority enrollment: 85%
Frequently Asked Questions
What are the top-ranked public charter schools in Malheur County, OR?
The top-ranked public charter schools in Malheur County, OR include Annex Charter School, Harper Charter School and Four Rivers Community School.
How many public charter schools are located in Malheur County?
3 public charter schools are located in Malheur County.
What is the racial composition of students in Malheur County?
Malheur County public charter schools minority enrollment is 56% of the student body (majority Hispanic), which is more than the Oregon public charter schools average of 29% (majority Hispanic).
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