For the 2026 school year, there are 9 public high schools serving 2,449 students in Malheur County, OR.
The top-ranked public high schools in Malheur County, OR are Vale High School, Nyssa High School and Annex Charter School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Malheur County, OR public high schools have an average math proficiency score of 26% (versus the Oregon public high school average of 24%), and reading proficiency score of 52% (versus the 48% statewide average). High schools in Malheur County have an average ranking of 8/10, which is in the top 30% of Oregon public high schools.
Malheur County, OR public high school have a Graduation Rate of 88%, which is more than the Oregon average of 82%.
The school with highest graduation rate is Nyssa High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Oregon or national school graduation rate statistics.
Minority enrollment is 50% of the student body (majority Hispanic), which is more than the Oregon public high school average of 41% (majority Hispanic).
Best Public High Schools in Malheur County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Vale High School
(Math: 35-39% | Reading: 70-79%)
Rank:
Rank:
9/
Top 20%10
505 Viking Dr
Vale, OR 97918
(541) 473-3181
Vale, OR 97918
(541) 473-3181
Gr: 9-12 | 293 students Student-teacher ratio: 15:1 Minority enrollment: 26%
Rank: #22.
Nyssa High School
(Math: 35-39% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
824 Adrian Blvd
Nyssa, OR 97913
(541) 372-2287
Nyssa, OR 97913
(541) 372-2287
Gr: 9-12 | 335 students Student-teacher ratio: 15:1 Minority enrollment: 73%
Rank: #33.
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: #44.
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: #5 - 65. - 6.
Adrian High School
(Math: 21-39% | Reading: ≥50%)
Rank:
Rank:
7/
Top 50%10
305 Owyhee St
Adrian, OR 97901
(541) 372-2335
Adrian, OR 97901
(541) 372-2335
Gr: 9-12 | 83 students Student-teacher ratio: 9:1 Minority enrollment: 29%
Rank: #5 - 65. - 6.
Jordan Valley High School
(Math: 21-39% | Reading: ≥50%)
Rank:
Rank:
7/
Top 50%10
501 Bassett
Jordan Valley, OR 97910
(541) 586-2213
Jordan Valley, OR 97910
(541) 586-2213
Gr: 7-12 | 37 students Student-teacher ratio: 7:1 Minority enrollment: 11%
Rank: #77.
Ontario High School
(Math: 15-19% | Reading: 55-59%)
Rank:
Rank:
6/
Top 50%10
1115 W Idaho Ave
Ontario, OR 97914
(541) 889-5309
Ontario, OR 97914
(541) 889-5309
Gr: 9-12 | 709 students Student-teacher ratio: 18:1 Minority enrollment: 72%
Rank: #88.
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%
Rank: n/an/a
804 Adrian Blvd
Nyssa, OR 97913
(541) 372-2275
Nyssa, OR 97913
(541) 372-2275
Gr: K-12 | 987 students Student-teacher ratio: 329:1 Minority enrollment: 17%
Frequently Asked Questions
What are the top-ranked public high schools in Malheur County, OR?
The top-ranked public high schools in Malheur County, OR include Vale High School, Nyssa High School and Annex Charter School.
How many public high schools are located in Malheur County?
8 public high schools are located in Malheur County.
What is the racial composition of students in Malheur County?
Malheur County public high schools minority enrollment is 50% of the student body (majority Hispanic), which is more than the Oregon public high schools average of 41% (majority Hispanic).
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