Very Good
#336 of 1,226 schools in OR
Top 27% in state
Ontario High School
High School · Ontario SD 8C
1115 W Idaho Ave, Ontario, OR 97914
Enrollment
691
Student-Teacher
16.1:1
Score
7.5
Grades
9th – 12th
Enrollment
691
Student-Teacher
16.1:1
Score
7.5
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Oregon schools
#336 of 1,226
In Ontario
#4 of 9
public schools
In district
#2 of 7
Ontario SD 8C
School environment
8.7 / 10
Excellent
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Ontario High School
High School in Ontario · grades 9th – 12th. Start here, then compare fit against nearby and district options.
St Peter Catholic School
0.3 mi away. Use as a geographic alternative in the same move search.
Aiken Elementary School
0.3 mi away. Use as a geographic alternative in the same move search.
About Ontario High School
Ontario High School is a public high school in Ontario, OR, part of Ontario SD 8C. Ontario High School serves approximately 691 students, and covers grades 9th-12th, and has a 16.1:1 student-teacher ratio. Ontario High School has a current MySchoolScout rating of 7.5 out of 10 and ranks #336 of 1,226 schools in OR.
Structured state assessment records for Ontario High School show 33% math proficiency (multi-year average, 2009-2025) and 64% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 7.5 · Very Good
- OR avg 5.9
What Parents Should Know
35% of students at Ontario High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Ontario High School — Students at Ontario High School score 22% proficient, which is above what's typical for similar communities (expected: 22%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
100.3%
Students qualifying for federal meal assistance
Test Scores OR OSAS (2024-25)
Based on 30 test records from OR state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.4/10.
How Ontario High School Compares
See how Ontario High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
1115 W Idaho Ave, Ontario, OR 97914
Nearby Alternatives
Families considering Ontario High School may also want to explore other high schools in the area. FRUITLAND HIGH SCHOOL (rated 6.0/10, 3.4 miles away, in nearby Fruitland), a more accessible option. Another option is PAYETTE HIGH SCHOOL (rated 5.3/10, 3.7 miles away, in nearby Payette), a more accessible option. Additionally, PAYETTE ACADEMY (rated 4.2/10, 4.0 miles away, in nearby Payette), a more accessible option. For more schools in Ontario, see our Ontario schools guide .
Nearby Schools
20 within 6.4 mi| School | Distance | Rating |
|---|---|---|
| ST PETER CATHOLIC SCHOOL Ontario | 0.3 mi | 6.5 |
| Aiken Elementary School Ontario | 0.3 mi | 6.7 |
| May Roberts Elementary School Ontario | 0.4 mi | 5.0 |
| Ontario Middle School Ontario | 0.5 mi | 7.8 |
| Alameda Elementary School Ontario | 0.9 mi | 5.4 |
| Four Rivers Community School Ontario | 1.0 mi | 8.5 |
| Cairo Elementary School Ontario | 3.4 mi | 4.5 |
| TREASURE VALLEY SEVENTH-DAY ADVENTIST SCHOOL Payette | 3.6 mi | — |
| TREASURE VALLEY CLASSICAL ACADEMY Fruitland | 3.2 mi | 6.7 |
| WESTSIDE ELEMENTARY SCHOOL Payette | 4.0 mi | 2.9 |
| PAYETTE HIGH SCHOOL Payette | 3.7 mi | 5.3 |
| FRUITLAND HIGH SCHOOL Fruitland | 3.4 mi | 6.0 |
| FRUITLAND PREPARATORY ACADEMY Fruitland | 3.4 mi | — |
| PAYETTE ACADEMY Payette | 4.0 mi | 4.2 |
| PAYETTE PRIMARY SCHOOL Payette | 4.2 mi | 4.0 |
| FRUITLAND MIDDLE SCHOOL Fruitland | 3.7 mi | 4.6 |
| FRUITLAND ELEMENTARY SCHOOL Fruitland | 3.8 mi | 4.9 |
| RIVER OF LIFE CHRISTIAN SCHOOL Payette | 4.8 mi | 8.2 |
| MCCAIN MIDDLE SCHOOL Payette | 4.8 mi | 5.6 |
| Pioneer Elementary School Ontario | 6.4 mi | 4.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 97914 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$48,442
Median Home Value
$220,600
Median Rent
$813/mo
Population
19,879
College Educated
14.6%
Homeownership
61.8%
Avg Commute
15.8 min
Poverty Rate
17.8%
Median Age
36.2
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Philomath High School Philomath, OR | 7.5 |
| Ashland High School Ashland, OR | 7.6 |
| Mazama High School Klamath Falls, OR | 7.6 |
| ST MARY'S OF MEDFORD Medford, OR | 7.7 |
| Baker Early College Baker City, OR | 7.9 |
| Cascade Senior High School Turner, OR | 7.1 |
Frequently Asked Questions
Common questions about Ontario High School
What grades does Ontario High School serve?
Ontario High School serves students in grades 9th through 12th.
How many students attend Ontario High School?
Ontario High School has an enrollment of approximately 691 students.
What is the student-teacher ratio at Ontario High School?
The student-teacher ratio at Ontario High School is 16.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Ontario High School rank in OR?
Ontario High School ranks #336 of 1,226 schools in OR.
What is Ontario High School's MySchoolScout rating?
Ontario High School has a current MySchoolScout rating of 7.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Ontario High School?
Based on loaded state assessment records, Ontario High School has 33% math proficiency (multi-year average, 2009-2025) and 64% reading/ELA proficiency (multi-year average, 2009-2025).
Is Ontario High School a charter school?
No, Ontario High School is not a charter school. It is a traditional public school operated by the local school district.
Is Ontario High School a Title I school?
No, Ontario High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Ontario High School?
100.3% of students at Ontario High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
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Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 691
- Student-Teacher Ratio
- 16.1:1
- Teachers (FTE)
- 43
- Free/Reduced Lunch
- 100.3%
- Type
- regular
- Setting
- Distant Town
- County
- Malheur County
- Chronic Absenteeism (SY 2022-23)
- 34.6%
- Phone
- (541) 889-5309
- 4-Year Graduation
- 92.0%
Resources & Links
District
Ontario SD 8C- District Enrollment
- 2,211
- Schools in District
- 7
- Per-Pupil Spending
- $17,299
- District Rank
- #2 of 7
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