For the 2025 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 La Grande High 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 30% (versus the Oregon public high school average of 25%), and reading proficiency score of 52% (versus the 48% statewide average). High schools in Union County have an average ranking of 8/10, which is in the top 30% of Oregon public high schools.
Union County, OR public high school have a Graduation Rate of 68%, which is less than the Oregon average of 82%.
The school with highest graduation rate is Cove Charter School, with ≥80% 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 (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Imbler Charter School
Charter School
(Math: 45-49% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
6th & Esther Ave
Imbler, OR 97841
(541) 534-5331
Imbler, OR 97841
(541) 534-5331
Grades: K-12
| 314 students
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
Grades: K-12
| 302 students
Rank: #33.
La Grande High School
(Math: 20-24% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
708 K Ave
La Grande, OR 97850
(541) 663-3301
La Grande, OR 97850
(541) 663-3301
Grades: 9-12
| 628 students
Rank: #44.
North Powder Charter School
Charter School
(Math: 20-24% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
333 G St
North Powder, OR 97867
(541) 898-2244
North Powder, OR 97867
(541) 898-2244
Grades: K-12
| 256 students
Rank: #55.
Union High School
(Math: 11-19% | Reading: 40-44%)
Rank:
Rank:
3/
Bottom 50%10
540 S Main St
Union, OR 97883
(541) 562-5166
Union, OR 97883
(541) 562-5166
Grades: 7-12
| 163 students
Rank: #66.
Elgin High School
(Math: 10-14% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
1400 Birch
Elgin, OR 97827
(541) 437-2021
Elgin, OR 97827
(541) 437-2021
Grades: 7-12
| 166 students
Rank: n/an/a
58231 Oregon Hwy 244
La Grande, OR 97850
(541) 962-1828
La Grande, OR 97850
(541) 962-1828
Grades: 9-12
| 3 students
Union County Public Schools (Closed)
School
Location
Grades
Students
Po Box 164
Imbler, OR 97841
(541) 534-2311
Imbler, OR 97841
(541) 534-2311
Grades: K-6
| 147 students
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
Grades: 9-12
| n/a students
1305 Willow St
La Grande, OR 97850
(541) 663-3555
La Grande, OR 97850
(541) 663-3555
Grades: K-6
| 155 students
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 La Grande High 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, La Grande High School vs. Imbler Charter School
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