Ontario-montclair School District
School District · Ontario, California
Avg Rating
7.0
out of 10
Schools
33
27 elem, 6 mid
Per-Pupil Spending
$21,882
Student-Teacher Ratio
20.9:1
Avg Rating
7.0
out of 10
Schools
33
27 elem, 6 mid
Per-Pupil Spending
$21,882
Student-Teacher Ratio
20.9:1
How this district compares
California rank
#150 of 713
districts by avg. composite
Vs. state average
+0.7
above California avg
Per-pupil spending
$21,882
+$4,235 vs California median
District size
17,944 students
Much larger than California median
About Ontario-montclair
Ontario-montclair is a Ontario, California school district serving 33 schools. The district educates 17,944 students with a student-teacher ratio of 20.9:1. The district invests $21,882 per student annually.
With an average rating of 7.0/10, Ontario-montclair is among the strongest-performing districts in the state.
The highest-rated school in the district is Online Academy, which has a composite score of 9.1/10.
In standardized testing, Ontario-montclair students show an average math proficiency of 34.0% and ELA proficiency of 42.0%.
The district includes 27 elementary schools , 6 middle schools .
District Map
Schools in Ontario-montclair, colored by MySchoolScout rank. Click a pin for details.
District Average Test Scores
Average proficiency across all schools in Ontario-montclair with test data.
Schools in Ontario-montclair
33 schools Elementary Schools 27
District Details
- State
- California
- City
- Ontario
- Total Enrollment
- 17,944
- Teachers (FTE)
- 858
- Child Poverty Rate
- 0.2%
- Data Year
- 2023
Frequently Asked Questions
How many schools are in Ontario-montclair?
Ontario-montclair has 33 schools in total — 27 elementary, 6 middle. You can explore each school's ratings and details on this page.
What is the average rating for Ontario-montclair?
The average composite rating for Ontario-montclair is 7.0/10. This score is calculated from the individual ratings of all schools with academic data in the district.
What is the per-pupil spending in Ontario-montclair?
Ontario-montclair spends $21,882 per student per year.
What is the student-teacher ratio in Ontario-montclair?
The average student-teacher ratio in Ontario-montclair is 20.9:1.
What is the top-rated school in Ontario-montclair?
Online Academy is the highest-rated school in Ontario-montclair with a composite score of 9.1/10.
What are the test scores in Ontario-montclair?
Across schools in Ontario-montclair with test data, the average math proficiency is 34.0% and the average ELA (reading/writing) proficiency is 42.0%. These figures represent the percentage of students meeting or exceeding grade-level standards.
How does Ontario-montclair compare to other districts in California?
Ontario-montclair has an average school rating of 7.0/10 across 33 schools. Families can compare this to other districts in California by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.
How does MySchoolScout rate schools?
MySchoolScout ratings are based on a comprehensive methodology that weighs Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Learn more about our rating system on our methodology page.
District Averages
- Overall Rating
- 7.0/10
- Math Proficiency
- 34.0%
- ELA Proficiency
- 42.0%
Resources
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyOther School Districts in CA
Compare Ontario-montclair with neighboring districts in the state.
- Los Angeles Unified (785)
- San Diego Unified (175)
- San Francisco Unified (113)
- Fresno Unified (101)
- Long Beach Unified (82)
- Oakland Unified (82)
- San Bernardino City Unified (76)
- Sacramento City Unified (73)
- San Juan Unified (68)
- Elk Grove Unified (67)
- Garden Grove Unified (66)
- Capistrano Unified (59)
- West Contra Costa Unified (54)
- Stockton Unified (54)
- Corona-norco Unified (53)
- Mt. Diablo Unified (52)
- Santa Ana Unified (52)
- Clovis Unified (50)
- Lodi Unified (49)
- Riverside Unified (49)
- Bakersfield City (45)
- Irvine Unified (45)
- Fontana Unified (44)
- Fremont Unified (44)
Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.
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