Serving 537 students in grades Kindergarten-6, Mariposa Elementary School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 22% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 18% (which is lower than the California state average of 47%).
The student-teacher ratio of 21:1 is equal to the California state level of 21:1.
Minority enrollment is 98% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (26-27)
- Grades: Kindergarten-6
- Enrollment: 537 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 98%
- Overall Testing Rank: Bottom 50% in CA
- Math Proficiency: 22% (Btm 50%)
- Reading Proficiency: 18% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Attendance Zone: Mariposa Elementary serves the eastern part of Ontario, CA, covering an area of approximately 0.7 square miles. Parents can expect a typical drive to the school of about 5-10 minutes, with the furthest edge of the attendance zone being 1.1 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Mariposa Elementary School's student population of 537 students has declined by 17% over five school years.
The teacher population of 25 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-6
Total Students
537 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
25 teachers
Showing 2014–2025. Full 39-year historical data available below ↓
School Calendar
School Rankings
Mariposa Elementary School ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Mariposa Elementary School is 0.25, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#7621 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Showing 2011–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
22%
34%
Showing 2011–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
18%
47%
Science Test Scores (% Proficient)
10-14%
29%
Student-Teacher Ratio
21:1
21:1
Showing 2014–2025. Full 39-year historical data available below ↓
Asian
1%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
86%
56%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
10%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
White
2%
20%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
1%
6%
Showing 2011–2025. Full 17-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)29.8%
27.7%
Eligible for Free Lunch
81%
54%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch
14%
8%
Showing 2015–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Mariposa Elementary School's ranking?
Mariposa Elementary School is ranked #7621 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Mariposa Elementary School often compared to?
Mariposa Elementary Schoolis often viewed alongside schools like Chapman Heights Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
22% of students have achieved math proficiency (compared to the 34% CA state average), while 18% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Mariposa Elementary School?
537 students attend Mariposa Elementary School.
What is the racial composition of the student body?
86% of Mariposa Elementary School students are Hispanic, 10% of students are Black, 2% of students are White, 1% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of Mariposa Elementary School?
Mariposa Elementary School has a student ration of 21:1, which is equal to the California state average of 21:1.
What grades does Mariposa Elementary School offer ?
Mariposa Elementary School offers enrollment in grades Kindergarten-6
What school district is Mariposa Elementary School part of?
Mariposa Elementary School is part of Ontario-Montclair School District.
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