For the 2026 school year, there are 3 public charter schools serving 872 students in Union County, OR.
The top-ranked public charter 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 charter schools have an average math proficiency score of 44% (versus the Oregon public charter school average of 34%), and reading proficiency score of 56% (versus the 51% statewide average). Charter schools in Union County have an average ranking of 9/10, which is in the top 20% of Oregon public charter schools.
Minority enrollment is 14% of the student body (majority Hispanic), which is less than the Oregon public charter school average of 28% (majority Hispanic).
Best Public Charter 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%
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 charter schools in Union County, OR?
The top-ranked public charter schools in Union County, OR include Imbler Charter School, Cove Charter School and North Powder Charter School.
How many public charter schools are located in Union County?
3 public charter schools are located in Union County.
What is the racial composition of students in Union County?
Union County public charter schools minority enrollment is 14% of the student body (majority Hispanic), which is less than the Oregon public charter schools average of 28% (majority Hispanic).
Which public charter schools in Union County are often viewed compared to one another?
Popular comparisons of public charter schools in Union County include: Imbler Charter School vs. Cove Charter School
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