Very Good
#336 of 1,226 schools in OR
Top 27% in state
Ontario High School
High School · Ontario Sd 8c · Ontario, OR
An Ontario Sd 8c high school serving grades 9th – 12th.
1115 W Idaho Ave, Ontario, OR 97914
- Math 12% vs OR 32% (2025)
- Reading 33% vs OR 43% (2025)
- 92.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
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Students at Ontario High School score 22% proficient, which is above what's typical for similar communities (expected: 22%).
2025 OSAS proficiency
Most recent published year. School vs. OR average.
Trend
↓ DecliningProficiency has fallen 20 points since 2020, to 22% in 2025, across a 17-year record (2009–2025).
Show all 15 years
Multi-year averages used by the rating model: math 33% (multi-year average, 2009-2025) · reading/ELA 64% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 30 test records from OR state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
100.3%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Ontario High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 56Somewhat Walkable
- Bike 60Bikeable
Powered by
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$48,442
Median home value
$220,600
Median rent
$813/mo
College educated
14.6%
Homeownership
61.8%
Poverty rate
17.8%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 97914; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Four Rivers Community SchoolCharter · enrollment unverified | 8.5 | K–12 | 1.0 mi | 362 | Compare → |
| Treasure Valley Classical AcademyCharter · enrollment unverified | 6.7 | K–10 | 3.2 mi | 572 | Compare → |
| Fruitland High SchoolEnrollment path unverified | 6.0 | 9–12 | 3.4 mi | 525 | Compare → |
| Fruitland Preparatory AcademyEnrollment path unverified | Not rated | 6–12 | 3.4 mi | 16 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Ontario Sd 8c
- Schools in district
- 7
- Rank in district
- #2 of 7
- District spending per student
- $17,299NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 25.1%Census SAIPE · 2024
Ontario High School is listed in Ontario SD 8C; a district label does not verify attendance for an address.
About Ontario High School
Ontario High School is a public high school in Ontario, OR, part of Ontario Sd 8c, serving approximately 691 students in grades 9th-12th with a 16.1:1 student-teacher ratio. It holds a MySchoolScout rating of 7.5 out of 10 and ranks #336 of 1,226 schools in OR. State assessment records show 33% math proficiency (multi-year average, 2009-2025) and 64% reading/ELA proficiency (multi-year average, 2009-2025).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 691
- Student-Teacher Ratio
- 16.1:1
- Teachers (FTE)
- 43
- Type
- regular
- Setting
- Distant Town
- County
- Malheur County
- Chronic Absenteeism (SY 2022-23)
- 34.6%
- Phone
- (541) 889-5309
- 4-Year Graduation
- 92.0%
- Area population (ZIP 97914)
- 19,879
- Area average commute
- 15.8 min
- Area median age
- 36.2
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 OSAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 OSAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 97914; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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