Top Rankings
Ontario-Montclair School District ranks among the top 20% of public school district in California for:
Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2026-27 school year, there are 10 public middle schools serving 6,338 students in Ontario-Montclair School District. This district's average middle testing ranking is 6/10, which is in the top 50% of public middle schools in California.
Public Middle Schools in Ontario-Montclair School District have an average math proficiency score of 29% (versus the California public middle school average of 32%), and reading proficiency score of 45% (versus the 46% statewide average).
Minority enrollment is 97% of the student body (majority Hispanic), which is more than the California public middle school average of 78% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
34 Schools
3,459 Schools
# Students
17,640 Students
1,857,843 Students
# Teachers
826 Teachers
88,071 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Ontario-Montclair School District, which is ranked #963 of all 1,903 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
Overall District Rank
#934 out of 1932 school districts
(Top 50%)
(Top 50%)
Showing 2012–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
30%
34%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
40%
47%
Showing 2011–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
20%
29%
Chronically Absent Students
(2022-23)25.4%
27.7%
Students by Ethnicity:
Diversity Score
0.22
0.64
Showing 2014–2023. Full 36-year historical data available below ↓
% American Indian
1%
1%
Showing 1994–2023. Full 35-year historical data available below ↓
% Asian
3%
11%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hispanic
88%
55%
Showing 2014–2023. Full 36-year historical data available below ↓
% Black
4%
5%
Showing 2014–2023. Full 36-year historical data available below ↓
% White
3%
22%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hawaiian
n/a
n/a
% Two or more races
1%
6%
Showing 2014–2023. Full 12-year historical data available below ↓
All Ethnic Groups
District Revenue and Spending
The revenue/student of $29,648 is higher than the state median of $26,022. The school district revenue/student has grown by 48% over four school years.
The school district's spending/student of $23,769 is higher than the state median of $22,604. The school district spending/student has grown by 25% over four school years.
Total Revenue
$523 MM
$150,628 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Spending
$419 MM
$130,845 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Revenue / Student
$29,648
$26,022
Showing 2014–2023. Full 34-year historical data available below ↓
Spending / Student
$23,769
$22,604
Showing 2014–2023. Full 34-year historical data available below ↓
Best Ontario-Montclair School District Public Middle Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Edison Elementary School
(Math: 61% | Reading: 69%)
Rank:
Rank:
9/
Top 20%10
515 East Sixth St.
Ontario, CA 91764
(909) 984-5618
Ontario, CA 91764
(909) 984-5618
Gr: K-8 | 736 students Student-teacher ratio: 26:1 Minority enrollment: 89%
Rank: #22.
Serrano Middle School
(Math: 36% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
4725 San Jose St.
Montclair, CA 91763
(909) 624-0029
Montclair, CA 91763
(909) 624-0029
Gr: 7-8 | 657 students Student-teacher ratio: 18:1 Minority enrollment: 98%
Rank: #33.
Oaks Middle School
(Math: 29% | Reading: 52%)
Rank:
Rank:
7/
Top 50%10
1221 South Oaks Ave.
Ontario, CA 91762
(909) 988-2050
Ontario, CA 91762
(909) 988-2050
Gr: 7-8 | 668 students Student-teacher ratio: 22:1 Minority enrollment: 98%
Rank: #44.
De Anza Middle School
(Math: 33% | Reading: 42%)
Rank:
Rank:
6/
Top 50%10
1450 South Sultana Ave.
Ontario, CA 91761
(909) 986-8577
Ontario, CA 91761
(909) 986-8577
Gr: 7-8 | 510 students Student-teacher ratio: 16:1 Minority enrollment: 98%
Rank: #55.
Central Language Academy
(Math: 24% | Reading: 49%)
Rank:
Rank:
6/
Top 50%10
415 East G St.
Ontario, CA 91764
(909) 983-8522
Ontario, CA 91764
(909) 983-8522
Gr: K-8 | 736 students Student-teacher ratio: 25:1 Minority enrollment: 97%
Rank: #66.
Vineyard Elementary School
(Math: 31% | Reading: 40%)
Rank:
Rank:
6/
Top 50%10
1500 East Sixth St.
Ontario, CA 91764
(909) 984-2306
Ontario, CA 91764
(909) 984-2306
Gr: K-8 | 562 students Student-teacher ratio: 26:1 Minority enrollment: 98%
Rank: #77.
Ray Wiltsey Middle School
(Math: 21% | Reading: 36%)
Rank:
Rank:
4/
Bottom 50%10
1450 East G St.
Ontario, CA 91764
(909) 986-5838
Ontario, CA 91764
(909) 986-5838
Gr: 6-8 | 727 students Student-teacher ratio: 17:1 Minority enrollment: 99%
Rank: #88.
Vina Danks Middle School
(Math: 18% | Reading: 37%)
Rank:
Rank:
4/
Bottom 50%10
1020 North Vine Ave.
Ontario, CA 91762
(909) 983-2691
Ontario, CA 91762
(909) 983-2691
Gr: 7-8 | 544 students Student-teacher ratio: 16:1 Minority enrollment: 98%
Rank: #99.
Arroyo Elementary School
(Math: 21% | Reading: 33%)
Rank:
Rank:
4/
Bottom 50%10
1700 East Seventh St.
Ontario, CA 91764
(909) 985-1012
Ontario, CA 91764
(909) 985-1012
Gr: K-8 | 493 students Student-teacher ratio: 21:1 Minority enrollment: 97%
Rank: n/an/a
Online Academy
Alternative School
1515 South Bon View Ave.
Ontario, CA 91762
(909) 930-6740
Ontario, CA 91762
(909) 930-6740
Gr: K-8 | 125 students Student-teacher ratio: 16:1 Minority enrollment: 93%
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