For the 2026 school year, there are 7 public high schools serving 1,832 students in Union County, OR.
The top-ranked public high schools in Union County, OR are Imbler Charter School, Cove Charter School and North Powder Charter School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Union County, OR public high schools have an average math proficiency score of 36% (versus the Oregon public high school average of 24%), and reading proficiency score of 52% (versus the 48% statewide average). High schools in Union County have an average ranking of 9/10, which is in the top 20% of Oregon public high schools.
Union County, OR public high school have a Graduation Rate of 81%, which is less than the Oregon average of 82%.
The school with highest graduation rate is La Grande High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Oregon or national school graduation rate statistics.
Minority enrollment is 15% of the student body (majority Hispanic), which is less than the Oregon public high school average of 41% (majority Hispanic).
Best Public High Schools in Union County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Imbler Charter School
Charter School
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
6th & Esther Ave
Imbler, OR 97841
(541) 534-5331
Imbler, OR 97841
(541) 534-5331
Gr: K-12 | 325 students Student-teacher ratio: 14:1 Minority enrollment: 17%
Rank: #22.
Cove Charter School
Charter School
(Math: 40-44% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
803 Main St
Cove, OR 97824
(541) 568-4424
Cove, OR 97824
(541) 568-4424
Gr: K-12 | 290 students Student-teacher ratio: 15:1 Minority enrollment: 11%
Rank: #33.
North Powder Charter School
Charter School
(Math: 35-39% | Reading: 40-44%)
Rank:
Rank:
6/
Top 50%10
333 G St
North Powder, OR 97867
(541) 898-2244
North Powder, OR 97867
(541) 898-2244
Gr: K-12 | 252 students Student-teacher ratio: 11:1 Minority enrollment: 17%
Rank: #44.
Union High School
(Math: 20-29% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
540 S Main St
Union, OR 97883
(541) 562-5166
Union, OR 97883
(541) 562-5166
Gr: 7-12 | 166 students Student-teacher ratio: 17:1 Minority enrollment: 8%
Rank: #55.
La Grande High School
(Math: 10-14% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
708 K Ave
La Grande, OR 97850
(541) 663-3301
La Grande, OR 97850
(541) 663-3301
Gr: 9-12 | 604 students Student-teacher ratio: 17:1 Minority enrollment: 21%
Rank: #66.
Elgin High School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
4/
Bottom 50%10
1400 Birch
Elgin, OR 97827
(541) 437-2021
Elgin, OR 97827
(541) 437-2021
Gr: 7-12 | 180 students Student-teacher ratio: 14:1 Minority enrollment: 9%
Rank: n/an/a
58231 Oregon Hwy 244
La Grande, OR 97850
(541) 962-1828
La Grande, OR 97850
(541) 962-1828
Gr: 9-12 | 3 students Minority enrollment: 67%
Frequently Asked Questions
What are the top-ranked public high schools in Union County, OR?
The top-ranked public high schools in Union County, OR include Imbler Charter School, Cove Charter School and North Powder Charter School.
How many public high schools are located in Union County?
7 public high schools are located in Union County.
What is the racial composition of students in Union County?
Union County public high schools minority enrollment is 15% of the student body (majority Hispanic), which is less than the Oregon public high schools average of 41% (majority Hispanic).
Which public high schools in Union County are often viewed compared to one another?
Popular comparisons of public high schools in Union County include: Union High School vs. Cove Charter School, Elgin High School vs. Cove Charter School, Elgin High School vs. Union High School
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