Top Rankings
Ontario School District 8c ranks among the top 20% of public school district in Oregon for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 20%)
For the 2025-26 school year, there are 5 public elementary schools serving 1,187 students in Ontario School District 8c. This district's average elementary testing ranking is 3/10, which is in the bottom 50% of public elementary schools in Oregon.
Public Elementary Schools in Ontario School District 8c have an average math proficiency score of 25% (versus the Oregon public elementary school average of 33%), and reading proficiency score of 32% (versus the 44% statewide average).
Minority enrollment is 67% of the student body (majority Hispanic), which is more than the Oregon public elementary school average of 41% (majority Hispanic).
Overview
This School District
This State (OR)
# Schools
7 Schools
1,027 Schools
# Students
2,211 Students
367,441 Students
# Teachers
149 Teachers
20,839 Teachers
Student-Teacher Ratio
15:1
15:1
Student By Grade
District Rank
Ontario School District 8c, which is ranked within the bottom 50% of all 185 school districts in Oregon (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 87% has increased from 85-89% over five school years.
Overall District Rank
#133 out of 187 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20%
31%
Reading/Language Arts Test Scores (% Proficient)
39%
44%
Science Test Scores (% Proficient)
22%
30%
Graduation Rate
87%
81%
Students by Ethnicity:
Diversity Score
0.50
0.59
% American Indian
n/a
1%
% Asian
n/a
4%
% Hispanic
64%
25%
% Black
1%
2%
% White
31%
59%
% Hawaiian
n/a
1%
% Two or more races
4%
8%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $19,777 is higher than the state median of $18,279. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $18,524 is less than the state median of $19,325.  The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$44 MM
$9,902 MM
Spending
$41 MM
$10,468 MM
Revenue / Student
$19,777
$18,279
Spending / Student
$18,524
$19,325
Best Ontario School District 8c Public Elementary Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Pioneer Elementary School
(Math: 30-39% | Reading: 30-39%) 
Rank:
Rank:
5/
  Bottom 50%10
4744 Pioneer Rd
Ontario, OR 97914
(541) 262-3902
Ontario, OR 97914
(541) 262-3902
Gr: K-5 | 112 students Student-teacher ratio: 14:1 Minority enrollment: 60%
Rank: #22.
Alameda Elementary School
(Math: 28% | Reading: 34%) 
Rank:
Rank:
4/
  Bottom 50%10
1252 Alameda Dr
Ontario, OR 97914
(541) 889-5497
Ontario, OR 97914
(541) 889-5497
Gr: K-6 | 339 students Student-teacher ratio: 14:1 Minority enrollment: 67%
Rank: #33.
Aiken Elementary School
(Math: 30-34% | Reading: 25-29%) 
Rank:
Rank:
4/
  Bottom 50%10
1297 W Idaho Ave
Ontario, OR 97914
(541) 889-5584
Ontario, OR 97914
(541) 889-5584
Gr: K-5 | 264 students Student-teacher ratio: 18:1 Minority enrollment: 64%
Rank: #44.
May Roberts Elementary School
(Math: 19% | Reading: 33%) 
Rank:
Rank:
3/
  Bottom 50%10
590 Nw 8th St
Ontario, OR 97914
(541) 889-5379
Ontario, OR 97914
(541) 889-5379
Gr: K-6 | 348 students Student-teacher ratio: 15:1 Minority enrollment: 71%
Rank: #55.
Cairo Elementary School
(Math: 15-19% | Reading: 20-29%) 
Rank:
Rank:
2/
  Bottom 50%10
531 Hwy 20/26
Ontario, OR 97914
(541) 889-5745
Ontario, OR 97914
(541) 889-5745
Gr: K-5 | 124 students Student-teacher ratio: 12:1 Minority enrollment: 73%
Recent Articles
How Public Schools Support Students on Free / Reduced-Lunch Programs
Explore how U.S. public schools support students eligible for free or reduced-price lunch through nutrition, academic, and wraparound services in 2025.
Hidden Costs of Public Schools: Fees, Supplies & Extras
Explore the hidden costs in public schools—fees, supplies, extracurriculars—and how parents can plan for them in 2025.
Public School Funding 2025: What Families Should Know
Essential insights on public school funding in 2025—how it works, what’s changing, and what families should know to stay ahead.
