For the 2026 school year, there are 7 public high schools serving 1,547 students in Grant County, OR.
The top-ranked public high schools in Grant County, OR are Grant Union Junior/senior High School, Long Creek School and Dayville School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Grant County, OR public high schools have an average math proficiency score of 33% (versus the Oregon public high school average of 24%), and reading proficiency score of 47% (versus the 48% statewide average). High schools in Grant County have an average ranking of 8/10, which is in the top 30% of Oregon public high schools.
Grant County, OR public high school have a Graduation Rate of 60%, which is less than the Oregon average of 82%.
The school with highest graduation rate is Grant Union Junior/senior High School, with ≥80% graduation rate. Read more about public school graduation rate statistics in Oregon or national school graduation rate statistics.
Minority enrollment is 27% 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 Grant County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Grant Union Junior/senior High School
(Math: 40-44% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
911 S Canyon Blvd
John Day, OR 97845
(541) 575-1799
John Day, OR 97845
(541) 575-1799
Gr: 7-12 | 206 students Student-teacher ratio: 12:1 Minority enrollment: 14%
Rank: #22.
Long Creek School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
375 E Main
Long Creek, OR 97856
(541) 508-9164
Long Creek, OR 97856
(541) 508-9164
Gr: PK-12 | 28 students Student-teacher ratio: 6:1 Minority enrollment: 31%
Rank: #33.
Dayville School
(Math: 21-39% | Reading: 60-79%)
Rank:
Rank:
8/
Top 30%10
285 School House Rd
Dayville, OR 97825
(855) 617-2412
Dayville, OR 97825
(855) 617-2412
Gr: PK-12 | 48 students Student-teacher ratio: 7:1 Minority enrollment: 15%
Rank: #44.
Oregon Connections Academy
Charter School
(Math: 35% | Reading: 48%)
Rank:
Rank:
7/
Top 50%10
740 S Overholt Ave
Prairie City, OR 97869
(541) 820-3314
Prairie City, OR 97869
(541) 820-3314
Gr: K-12 | 884 students Student-teacher ratio: 25:1 Minority enrollment: 35%
Rank: #55.
Prairie City School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
740 Overholt St
Prairie City, OR 97869
(541) 820-3314
Prairie City, OR 97869
(541) 820-3314
Gr: K-12 | 247 students Student-teacher ratio: 11:1 Minority enrollment: 8%
Rank: #66.
Monument School
(Math: ≤10% | Reading: 21-39%)
Rank:
Rank:
1/
Bottom 50%10
127 North St
Monument, OR 97864
(541) 934-2646
Monument, OR 97864
(541) 934-2646
Gr: K-12 | 53 students Student-teacher ratio: 7:1 Minority enrollment: 23%
Rank: n/an/a
Virtual Preparatory Academy Of Oregon
Charter School
740 S Overholt St
Prairie City, OR 97869
(541) 304-2202
Prairie City, OR 97869
(541) 304-2202
Gr: K-12 | 80 students Student-teacher ratio: 9:1 Minority enrollment: 44%
Frequently Asked Questions
What are the top-ranked public high schools in Grant County, OR?
The top-ranked public high schools in Grant County, OR include Grant Union Junior/senior High School, Long Creek School and Dayville School.
How many public high schools are located in Grant County?
7 public high schools are located in Grant County.
What is the racial composition of students in Grant County?
Grant County public high schools minority enrollment is 27% of the student body (majority Hispanic), which is less than the Oregon public high schools average of 41% (majority Hispanic).
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.