For the 2025-26 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 28% (majority Hispanic).
Best Public Charter Schools in Malheur County (2025-26)
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-8 | 79 students Student-teacher ratio: 9:1 Minority enrollment: 34%
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 | 250 students Student-teacher ratio: 19:1 Minority enrollment: 22%
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 | 362 students Student-teacher ratio: 17:1 Minority enrollment: 84%
Malheur County Public Schools (Closed)
School
Location
Quick Facts
Po Box 119
Jordan Valley, OR 97910
(208) 583-2420
Jordan Valley, OR 97910
(208) 583-2420
Gr: K-8 | 11 students Student-teacher ratio: 11:1
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 28% (majority Hispanic).
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