Ontario Center
🇺🇸 Official data · 2025Ontario, California 91764 · Cucamonga Elementary
#3495 of 5,693 elementary schools in California
#39759 of 50,301 nationally
About Ontario Center
Ontario Center is a public elementary located in Ontario, in the Cucamonga Elementary school district of California, United States. It caters for Grades K–5. In 2025 it enrolled 585 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 28.1 out of 100, placing it in the lower 50% of elementary schools in United States and 3495th of 5,693 ranked elementary schools in California. Its strongest component is reading proficiency (37th percentile), and its weakest is students per teacher (13th percentile).
Other published figures: enrollment 585.
There are 34 schools in Ontario; Ontario Center ranks 16th of 34 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)31%
- Reading proficiency (30%)42%
- Community advantage (fewer free/reduced-price lunch) (25%)75.4%
- Students per teacher (15%)20.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Ontario Center by the official sources.
- Enrollment
- 585
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 75.4%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 20.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 31%
- Share of tested students proficient or above (all students, all grades).
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Schools near Ontario Center
Closest schools by straight-line distance, with their Success Index (US).
Inland Empire Springs Charter
Ranch Cucamonga · Charter other · Grades K–12
323 students · 2.2 km away
Rancho Cucamonga Middle
Rancho Cucamonga · Public middle · Grades 6–8
770 students · 2.4 km away
Cucamonga Elementary
Rancho Cucamonga · Public elementary · Grades K–5
452 students · 2.8 km away
Corona Elementary
Ontario · Public elementary · Grades K–6
414 students · 3.0 km away
Mariposa Elementary
Ontario · Public elementary · Grades K–6
537 students · 3.5 km away
Arroyo Elementary
Ontario · Public elementary · Grades K–8
493 students · 3.5 km away
Ray Wiltsey Middle
Ontario · Public middle · Grades 6–8
727 students · 3.7 km away
Vineyard Elementary
Ontario · Public elementary · Grades K–8
562 students · 4.0 km away
Del Norte Elementary
Ontario · Public elementary · Grades K–6
428 students · 4.0 km away
Bear Gulch Elementary
Rancho Cucamonga · Public elementary · Grades K–5
443 students · 4.0 km away
Similar schools
Public elementary schools in California with a comparable Enrollment.
Brier Elementary
Fremont · Public elementary · Grades K–5
585 students
Turner Elementary
Fresno · Public elementary · Grades K–6
585 students
Mark Twain Elementary
Lawndale · Public elementary · Grades K–5
585 students
Rosewood Park
City Of Commerce · Public elementary · Grades K–8
585 students
Norman R. Brekke Elementary
Oxnard · Public elementary · Grades K–5
585 students
Creekside Elementary
San Diego · Public elementary · Grades K–5
585 students
Frequently asked questions
Is Ontario Center a good school?
Ontario Center has a Success Index (US) of 28.1 out of 100 (Lower 50% of elementary schools in United States) and ranks #3495 of 5,693 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Ontario Center rank in California?
Ontario Center ranks #3495 of 5,693 elementary schools in California and #39759 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Ontario Center?
Ontario Center had 585 students in 2025.
Is Ontario Center a elementary school or a high school?
Ontario Center is classified as a elementary covering Grades K–5. It is a public school.
What other schools are near Ontario Center?
There are 10 schools within 15 km of Ontario Center; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.