Ontario High School

High school·Grades 9-12 Ontario, Oregon·97914
Score
13.8/100
Compare Ontario High School with another school
#191
Among 221 Oregon high schools
Top 87%
In Oregon

Score 13.8/100: better than 13% of Oregon high schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% proficient on state tests in Oregon, all students. Colored bars are green when the school is at or above the average for similar Oregon schools.

English language arts
28%
Similar Oregon schools ≈ 43%, better than 21% of them
166 students tested
Math
≈3%
Similar Oregon schools ≈ 20%, better than 5% of them
includes a banded result, so approximate
Science
19%
Similar Oregon schools ≈ 31%, better than 26% of them
166 students tested
All Oregon schools (ELA / math)
44% / 32%
State average across every school type, 2025-26
All 6 published results by grade and test

As published by Oregon Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsHigh schoolOSAS27.7166
English language artsAll gradesOSAS27.7166
MathHigh schoolOSAS≤5100
MathAll gradesOSAS≤5—
ScienceHigh schoolOSAS19.3166
ScienceAll gradesOSAS19.3166

School profile

Grades
9-12
Students
691
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
691
Typical high school: 383
Free or reduced-price lunch
103%
Typical high school: 71%

District and location

School district
City
Malheur County

Contact

Address
1115 W Idaho Ave
Ontario, OR 97914

"Typical" is the middle (median) high school in Oregon. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Ontario High School at a glance

Ontario High School is a public high school in Ontario, Oregon, serving grades 9-12. It is part of the Ontario SD 8C school district. It has about 691 students (a typical Oregon high school has 383). About 103% of students are eligible for free or reduced-price lunch, compared with 71% at a typical Oregon high school, which is useful context when reading test results.

In 2025-26 state tests, 28% in English language arts (similar schools: 43%) and 3% in math (similar schools: 20%) reached the state standard (% proficient). On our score, which compares it only with other Oregon high schools, it scores 13.8 out of 100: better than 13% of them, ranking #191 of 221. Its English language arts result fell by 5 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.