Mariposa Elementary
🇺🇸 Official data · 2025Ontario, California 91764 · Ontario-Montclair
#4916 of 5,693 elementary schools in California
#47442 of 50,301 nationally
About Mariposa Elementary
Mariposa Elementary is a public elementary located in Ontario, in the Ontario-Montclair school district of California, United States. It caters for Grades K–6. In 2025 it enrolled 537 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 15.4 out of 100, placing it in the lower 50% of elementary schools in United States and 4916th of 5,693 ranked elementary schools in California. Its strongest component is reading proficiency (22th percentile), and its weakest is students per teacher (10th percentile).
Other published figures: enrollment 537.
There are 34 schools in Ontario; Mariposa Elementary ranks 33rd of 34 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)24%
- Reading proficiency (30%)33%
- Community advantage (fewer free/reduced-price lunch) (25%)94.8%
- Students per teacher (15%)21.5
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 Mariposa Elementary by the official sources.
- Enrollment
- 537
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 94.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 21.5
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 33%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 24%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Mariposa Elementary
Closest schools by straight-line distance, with their Success Index (US).
Ray Wiltsey Middle
Ontario · Public middle · Grades 6–8
727 students · 284 m away
Del Norte Elementary
Ontario · Public elementary · Grades K–6
428 students · 843 m away
Corona Elementary
Ontario · Public elementary · Grades K–6
414 students · 1.3 km away
Lincoln Elementary
Ontario · Public elementary · Grades K–6
530 students · 1.6 km away
Vineyard Elementary
Ontario · Public elementary · Grades K–8
562 students · 1.8 km away
Arroyo Elementary
Ontario · Public elementary · Grades K–8
493 students · 2.2 km away
Berlyn Elementary
Ontario · Public elementary · Grades K–6
639 students · 2.4 km away
Central Language Academy
Ontario · Public elementary · Grades K–8
736 students · 2.6 km away
Edison Elementary
Ontario · Public elementary · Grades K–8
736 students · 3.1 km away
Los Amigos Elementary
Rancho Cucamonga · Public elementary · Grades K–5
550 students · 3.2 km away
Similar schools
Public elementary schools in California with a comparable Enrollment.
F. C. Joyce TK-8
North Highlands · Public elementary · Grades K–8
537 students
Bret Harte Elementary
Burbank · Public elementary · Grades K–5
537 students
Leo R. Croce Elementary
Livermore · Public elementary · Grades K–5
537 students
Lexington Elementary
Pomona · Public elementary · Grades K–8
537 students
W.J.C. Trapp Elementary
Rialto · Public elementary · Grades K–5
537 students
Fairmont Elementary
El Cerrito · Public elementary · Grades K–6
537 students
Frequently asked questions
Is Mariposa Elementary a good school?
Mariposa Elementary has a Success Index (US) of 15.4 out of 100 (Lower 50% of elementary schools in United States) and ranks #4916 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 Mariposa Elementary rank in California?
Mariposa Elementary ranks #4916 of 5,693 elementary schools in California and #47442 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Mariposa Elementary?
Mariposa Elementary had 537 students in 2025.
Is Mariposa Elementary a elementary school or a high school?
Mariposa Elementary is classified as a elementary covering Grades K–6. It is a public school.
What other schools are near Mariposa Elementary?
There are 10 schools within 15 km of Mariposa Elementary; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.