Average
#785 of 1,226 schools in OR
Ontario High School
High School · Ontario SD 8C
1115 W Idaho Ave, Ontario, OR 97914
Enrollment
691
Student-Teacher
16.1:1
Score
5.8
Grades
9th – 12th
Enrollment
691
Student-Teacher
16.1:1
Score
5.8
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Ontario
#8 of 9
public schools
Oregon high schools
#113 of 250
In district
#6 of 7
Ontario SD 8C
School environment
7.7 / 10
Very strong
About Ontario High School
Ontario High School is a regular public high school located in the heart of Ontario, Oregon. With an enrollment of 691 students and a student-teacher ratio of 16.1:1, it offers personalized attention to its diverse student body. The school’s setting in a small town fosters a close-knit community where teachers work closely with parents and local organizations to support students' educational needs.
Ontario High School covers grades 9 through 12, providing comprehensive academic programs alongside opportunities for extracurricular activities that enrich the high school experience. Despite its current MySchoolScout rating of 3.7 out of 10 and a state ranking at 21st percentile, the school is dedicated to continuous improvement and student development. In terms of academic performance, Ontario High School has room for growth, with only 55% of students proficient in ELA/Reading and just 15% proficient in Math.
The school community remains committed to enhancing these scores through targeted support programs and innovative teaching methods. Ontario High School is nestled in a supportive town environment where educational success is valued by the entire community.
Score Breakdown
Full Profile · 4/4 metricsView 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 8 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: 3.7/10.
How Ontario High School Compares
See how Ontario High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 17% (2019) to 12.1% (2025). Reading/ELA proficiency has declined from 62% (2019) to 32.5% (2025).
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. PAYETTE HIGH SCHOOL (rated 6.8/10, 3.7 miles away, in nearby Payette), which scores slightly higher. Another option is FRUITLAND HIGH SCHOOL (rated 6.5/10, 3.4 miles away, in nearby Fruitland), which scores slightly higher. Additionally, PAYETTE ACADEMY (rated 5.6/10, 4.0 miles away, in nearby Payette), with a very similar rating. 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 | 6.6 |
| May Roberts Elementary School Ontario | 0.4 mi | 6.2 |
| Ontario Middle School Ontario | 0.5 mi | 6.2 |
| Alameda Elementary School Ontario | 0.9 mi | 4.7 |
| Four Rivers Community School Ontario | 1.0 mi | 7.5 |
| Cairo Elementary School Ontario | 3.4 mi | 6.4 |
| TREASURE VALLEY SEVENTH-DAY ADVENTIST SCHOOL Payette | 3.6 mi | — |
| TREASURE VALLEY CLASSICAL ACADEMY Fruitland | 3.2 mi | 7.2 |
| WESTSIDE ELEMENTARY SCHOOL Payette | 4.0 mi | 5.6 |
| PAYETTE HIGH SCHOOL Payette | 3.7 mi | 6.8 |
| FRUITLAND HIGH SCHOOL Fruitland | 3.4 mi | 6.5 |
| FRUITLAND PREPARATORY ACADEMY Fruitland | 3.4 mi | — |
| PAYETTE ACADEMY Payette | 4.0 mi | 5.6 |
| PAYETTE PRIMARY SCHOOL Payette | 4.2 mi | 7.2 |
| FRUITLAND MIDDLE SCHOOL Fruitland | 3.7 mi | 4.3 |
| FRUITLAND ELEMENTARY SCHOOL Fruitland | 3.8 mi | 4.7 |
| 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 | 8.7 |
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
Community Profile
The community surrounding Ontario High School has a median household income of $48,442. It is a community where 15% of adults hold a bachelor's degree or higher. The median home value in the area is $220,600, with a median rent of $813/month. The area has a poverty rate of 17.8%. Residents enjoy a short average commute of 16 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Phoenix High School Phoenix, OR | 5.8 |
| Estacada High School Estacada, OR | 5.7 |
| Riverside Junior/Senior High School Boardman, OR | 5.7 |
| Mazama High School Klamath Falls, OR | 5.9 |
| Ridgeview High School Redmond, OR | 5.9 |
| Jefferson High School Portland, OR | 6.0 |
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 is ranked #785 out of 1,226 schools in OR.
What is Ontario High School's MySchoolScout rating?
Ontario High School has a composite rating of 5.8 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Ontario High School?
Based on the most recent state assessment data, Ontario High School has 15.3% math proficiency and 55.3% reading/ELA proficiency.
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.
Explore More Schools
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
- Phone
- (541) 889-5309
- Data Year
- 2023–2024
Resources & Links
District
Ontario SD 8C- District Enrollment
- 2,211
- Schools in District
- 7
- Per-Pupil Spending
- $17,299
- District Rank
- #6 of 7
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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