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PublicElementaryGrades K–6
1605 East D St., Ontario, CA 91764 · (909) 983-4116 · Part of Ontario-Montclair School District
Ontario’s School Grade B− better than 51% of California school districts
Students
537
Students per teacher
21:1
Free or reduced lunch
95%
Setting
City
Grades
K–6
What stands out about Mariposa Elementary
- Larger classes: 21 students per teacher
- Enrollment down 17.9% since 2020–21
- No state test results published for this school
- Next stop for Ontario kids: 9 middle schools
On the path
Where Ontario kids come from and go next. The whole path →
K–6Mariposa ElementaryYou are here
7–89 middle schoolsDepends on your address
Location
Directions ↗














1605 East D St., Ontario
Students
Enrollment by grade
Kindergarten118
Grade 180
Grade 274
Grade 3104
Grade 486
Grade 571
Grade 64
Enrollment over time
654’20
596’21
591’22
567’23
537’24
Down 17.9% since 2020–21.
Who goes here
Hispanic 86%Black 10%White 2%Asian 1%Two or more races <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Mariposa Elementary from Ontario families.
Other schools in Ontario-Montclair School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Map: © OpenStreetMap contributors.