Average
#4162 of 9,539 schools in CA
Top 44% in state
Mariposa Elementary
Elementary School · Ontario-Montclair
1605 East D St., Ontario, CA 91764
Enrollment
567
Student-Teacher
21.8:1
Score
6.7
Grades
Kindergarten – 6th
Enrollment
567
Student-Teacher
21.8:1
Score
6.7
Grades
Kindergarten – 6th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#4,162 of 9,539
In Ontario
#21 of 37
public schools
In district
#24 of 33
Ontario-Montclair
School environment
7.9 / 10
Very Good
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Mariposa Elementary
Elementary School in Ontario · grades Kindergarten – 6th. Start here, then compare fit against nearby and district options.
Ray Wiltsey Middle
0.2 mi away. Use as a geographic alternative in the same move search.
Del Norte Elementary
0.5 mi away. Use as a geographic alternative in the same move search.
About Mariposa Elementary
Mariposa Elementary is a public elementary school in Ontario, CA, part of Ontario-Montclair. Mariposa Elementary serves approximately 567 students, and covers grades Kindergarten-6th, and has a 21.8:1 student-teacher ratio. Mariposa Elementary has a current MySchoolScout rating of 6.7 out of 10 and ranks #4,162 of 9,539 schools in CA.
Structured state assessment records for Mariposa Elementary show 31% math proficiency (multi-year average, 2009-2024) and 30% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 6.7 · Average
- District avg 7.2
- CA avg 6.2
What Parents Should Know
Mariposa Elementary runs 21.8:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Mariposa Elementary — Students at Mariposa Elementary score 31% proficient, which is above what's typical for similar communities (expected: 21%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
95.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 30 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.0/10.
How Mariposa Elementary Compares
See how Mariposa Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
1605 East D St., Ontario, CA 91764
Nearby Alternatives
Families considering Mariposa Elementary may also want to explore other elementary schools in the area. Online Academy (rated 9.1/10, 1.9 miles away), which scores notably higher. Another option is Edison Elementary (rated 8.9/10, 1.9 miles away), which scores notably higher. Additionally, Vineyard Elementary (rated 8.0/10, 1.1 miles away), which scores notably higher. For more schools in Ontario, see our Ontario schools guide .
Nearby Schools
20 within 2.1 mi| School | Distance | Rating |
|---|---|---|
| Ray Wiltsey Middle Ontario | 0.2 mi | 7.4 |
| Del Norte Elementary Ontario | 0.5 mi | 5.4 |
| Corona Elementary Ontario | 0.8 mi | 7.2 |
| Vineyard Elementary Ontario | 1.1 mi | 8.0 |
| Lincoln Elementary Ontario | 1.0 mi | 7.2 |
| Valley View High (Continuation) Ontario | 1.2 mi | 5.8 |
| Arroyo Elementary Ontario | 1.4 mi | 5.8 |
| Chaffey District Online High Ontario | 1.4 mi | 8.5 |
| Chaffey Community Day Ontario | 1.4 mi | — |
| SAN ANTONIO CHRISTIAN SCHOOL Ontario | 1.6 mi | 6.5 |
| Berlyn Elementary Ontario | 1.5 mi | 6.4 |
| Central Language Academy Ontario | 1.6 mi | 7.5 |
| Los Amigos Elementary Rancho Cucamonga | 2.0 mi | 4.5 |
| Online Academy Ontario | 1.9 mi | 9.1 |
| Edison Elementary Ontario | 1.9 mi | 8.9 |
| INLAND CONSERVATORY FOR THE PERFORMING ARTS SCHOOL Ontario | 1.9 mi | 7.6 |
| MONTESSORI SCHOOL HOUSE Rancho Cucamonga | 2.1 mi | 7.1 |
| Fountain of Truth Christian Academy Rancho Cucamonga | 2.3 mi | — |
| FOUNTAIN OF TRUTH CHRISTIAN ACADEMY Rancho Cucamonga | 2.3 mi | 5.7 |
| De Anza Middle Ontario | 2.1 mi | 8.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91764 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$75,605
Median Home Value
$524,100
Median Rent
$2,039/mo
Population
55,412
College Educated
18.4%
Homeownership
44.6%
Avg Commute
31.1 min
Poverty Rate
16.8%
Median Age
31.9
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Ambler Avenue Elementary Carson, CA | 6.7 |
| Amestoy Elementary Gardena, CA | 6.7 |
| Anna Kirchgater Elementary Sacramento, CA | 6.7 |
| Arroyo Elementary Tustin, CA | 6.7 |
| Arthur F. Corey Elementary Buena Park, CA | 6.7 |
| Ascot Avenue Elementary Los Angeles, CA | 6.7 |
Frequently Asked Questions
Common questions about Mariposa Elementary
What grades does Mariposa Elementary serve?
Mariposa Elementary serves students in grades Kindergarten through 6th.
How many students attend Mariposa Elementary?
Mariposa Elementary has an enrollment of approximately 567 students.
What is the student-teacher ratio at Mariposa Elementary?
The student-teacher ratio at Mariposa Elementary is 21.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mariposa Elementary rank in CA?
Mariposa Elementary ranks #4,162 of 9,539 schools in CA.
What is Mariposa Elementary's MySchoolScout rating?
Mariposa Elementary has a current MySchoolScout rating of 6.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mariposa Elementary?
Based on loaded state assessment records, Mariposa Elementary has 31% math proficiency (multi-year average, 2009-2024) and 30% reading/ELA proficiency (multi-year average, 2009-2024).
Is Mariposa Elementary a charter school?
No, Mariposa Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Mariposa Elementary a Title I school?
No, Mariposa Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mariposa Elementary?
95.4% of students at Mariposa Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
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Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 6th
- Enrollment
- 567
- Student-Teacher Ratio
- 21.8:1
- Teachers (FTE)
- 26
- Free/Reduced Lunch
- 95.4%
- Type
- regular
- Setting
- Midsize City
- County
- San Bernardino County
- Chronic Absenteeism (SY 2022-23)
- 28.2%
- Phone
- (909) 983-4116
Resources & Links
District
Ontario-Montclair- District Enrollment
- 17,944
- Schools in District
- 33
- Per-Pupil Spending
- $21,882
- District Rank
- #24 of 33
Other Schools in This District
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