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 | 314 students Student-teacher ratio: 14:1 Minority enrollment: 15%
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 | 302 students Student-teacher ratio: 14:1 Minority enrollment: 12%
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 | 256 students Student-teacher ratio: 11:1 Minority enrollment: 15%
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 | 163 students Student-teacher ratio: 16:1 Minority enrollment: 6%
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 | 628 students Student-teacher ratio: 20:1 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 | 166 students Student-teacher ratio: 18:1 Minority enrollment: 8%
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: 33%
Union County Public Schools (Closed)
School
Location
Quick Facts
Po Box 164
Imbler, OR 97841
(541) 534-2311
Imbler, OR 97841
(541) 534-2311
Gr: K-6 | 147 students Student-teacher ratio: 15:1 Minority enrollment: 8%
Union County Education Center (Closed 2012)
Alternative School
10214 Wallowa Lake Hwy
La Grande, OR 97850
(541) 963-0920
La Grande, OR 97850
(541) 963-0920
Gr: 9-12
1305 Willow St
La Grande, OR 97850
(541) 663-3555
La Grande, OR 97850
(541) 663-3555
Gr: K-6 | 155 students Student-teacher ratio: 19:1 Minority enrollment: 12%
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
Recent Articles
Spring Parent-Teacher Conferences: Key Questions
Spring Parent-Teacher Conferences: Questions Every Parent Should Ask to support academic growth, social development, and 2026 classroom goals.
Prepare for Spring Tests Without Anxiety
Learn how to prepare for spring standardized tests without increasing anxiety using proven strategies for families and schools.
Why Public Schools Are Launching Marketing Campaigns in 2026
Discover why public schools are launching marketing campaigns in 2026 and how enrollment shifts, school choice, and funding pressures are driving change.