Ontario-Montclair School District

950 West D St.
Ontario, CA 91762-3026
(District boundaries shown in map)
6/
10
Top 50%

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 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
3,469 Schools
# Students
17,640 Students
1,858,621 Students
# Teachers
826 Teachers
88,118 Teachers
Student-Teacher Ratio
21:1
21:1

Student By Grade

District Rank

Ontario-Montclair School District, which is ranked #963 of all 1,904 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
This School District
State Average (CA)
#934 out of 1932 school districts
(Top 50%)
30%
34%
40%
47%
20%
29%

Students by Ethnicity:

0.22
0.64
% American Indian
1%
1%
% Asian
3%
11%
% Hispanic
88%
55%
% Black
4%
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 $19,839 in this school district is less than the state median of $20,100. The school district revenue/student has grown by 28% over four school years.
The school district's spending/student of $18,750 is higher than the state median of $18,511. The school district spending/student has grown by 18% over four school years.
This School District
This State (CA)
Total Revenue
$350 MM
$116,387 MM
Spending
$331 MM
$107,188 MM
Revenue / Student
$19,839
$20,100
Spending / Student
$18,750
$18,511

Best Ontario-Montclair School District Public Middle Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Edison Elementary School
(Math: 61% | Reading: 69%)
Rank:
9/
10
Top 20%
515 East Sixth St.
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:
7/
10
Top 50%
4725 San Jose St.
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:
7/
10
Top 50%
1221 South Oaks Ave.
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:
6/
10
Top 50%
1450 South Sultana Ave.
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:
6/
10
Top 50%
415 East G St.
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:
6/
10
Top 50%
1500 East Sixth St.
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:
4/
10
Bottom 50%
1450 East G St.
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:
4/
10
Bottom 50%
1020 North Vine Ave.
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:
4/
10
Bottom 50%
1700 East Seventh St.
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
Gr: K-8 | 125 students Student-teacher ratio: 16:1 Minority enrollment: 93%

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Quick Facts (2026)

  • District size: 34 schools
  • Grades: K-08
  • Enrollment: 17,640 students
  • Student-Teacher Ratio: 21:1
  • Minority Enrollment: 97%
  • : Top 50% in CA
  • : 30% (Top 50%)
  • : 40% (Btm 50%)
  • : 20% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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