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 2025-26 school year, there are 11 public middle schools serving 6,448 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.
ºÚÁÏÍø¹ÙÍø 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
33 Schools
3,496 Schools
# Students
17,896 Students
1,852,978 Students
# Teachers
859 Teachers
87,768 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Ontario-Montclair School District, which is ranked #962 of all 1,908 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%)
Math Test Scores (% Proficient)
30%
34%
Reading/Language Arts Test Scores (% Proficient)
40%
47%
Science Test Scores (% Proficient)
20%
29%
Students by Ethnicity:
Diversity Score
0.21
0.64
% American Indian
1%
1%
% Asian
3%
11%
% Hispanic
89%
55%
% Black
3%
5%
% White
3%
22%
% Hawaiian
n/a
n/a
% Two or more races
1%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $19,555 in this school district is less than the state median of $19,978. The school district revenue/student has grown by 7% over four school years.
The school district's spending/student of $18,482 is higher than the state median of $18,399. The school district spending/student has grown by 7% over four school years.
Total Revenue
$350 MM
$116,387 MM
Spending
$331 MM
$107,188 MM
Revenue / Student
$19,555
$19,978
Spending / Student
$18,482
$18,399
Best Ontario-Montclair School District ºÚÁÏÍø¹ÙÍø Middle Schools (2025-26)
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 | 729 students Student-teacher ratio: 25:1 Minority enrollment: 90%
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 | 623 students Student-teacher ratio: 17:1 Minority enrollment: 97%
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 | 682 students Student-teacher ratio: 21:1 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 | 504 students Student-teacher ratio: 16:1 Minority enrollment: 99%
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 | 733 students Student-teacher ratio: 24:1 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 | 594 students Student-teacher ratio: 25:1 Minority enrollment: 99%
Rank: #77.
Vernon Middle School
(Math: 23% | Reading: 44%)
Rank:
Rank:
5/
Bottom 50%10
9775 Vernon Ave.
Montclair, CA 91763
(909) 624-5036
Montclair, CA 91763
(909) 624-5036
Gr: 7-8 | 590 students Student-teacher ratio: 19:1 Minority enrollment: 96%
Rank: #88.
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 | 741 students Student-teacher ratio: 18:1 Minority enrollment: 99%
Rank: #99.
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 | 607 students Student-teacher ratio: 18:1 Minority enrollment: 98%
Rank: #1010.
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 | 499 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) 418-6436
Ontario, CA 91762
(909) 418-6436
Gr: K-8 | 146 students Student-teacher ratio: 12:1 Minority enrollment: 94%
Recent Articles

Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.

Financial Aid & Hidden Costs in ºÚÁÏÍø¹ÙÍø Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.

NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here’s what parents and educators need to know.