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Mariposa Elementary

Ontario, CA · Ontario-Montclair

Regular public school · Grades K-6 · City, midsize

4,495th of 5,659 California elementary schools statewide · better than 21% Improving

1605 East D St., Ontario, CA 91764

(909) 983-4116NCES ID 062847004406Directory 202324

567
Students
2023–24 enrollment
21.8:1
Student / teacher ratio
95%
Free / reduced-price lunch
low-income indicator
21.2%
Chronically absent
CA average 20%

SchoolRow ranks Mariposa Elementary 4,495th of 5,659 California elementary schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 21% of elementary schools statewide. Its statewide percentile went from 9th in 2015 to 21th in 2025 — improving.

Statewide percentile by year
25%50%75%21%201520202025no testing 2020–21

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 266 students tested

English Language Arts
Mariposa Elementary
27%
CA average
49%
Math
Mariposa Elementary
24%
CA average
37%
Science
Mariposa Elementary
19%
CA average
33%
English Language Arts over time Mariposa Elementary CA average
25%50%75%27%49%201520202025no testing 2020–21
Math over time Mariposa Elementary CA average
25%50%75%24%37%201520202025no testing 2020–21
Science over time Mariposa Elementary CA average
25%50%75%19%33%20222025

Racial and ethnic breakdown of 567 students (202324, NCES) — history since 1987, with comparable seven-category changes from 2010

Hispanic87%8%
Hover the pie for details
categories changedHispanic 87%Black 8%58%26%13%19872023
GroupTrend20102023Change
Hispanic86.0%87.1% 1.1 pts
Black6.2%8.1% 1.9 pts
White3.9%2.1% 1.8 pts
Asian1.7%1.6% 0.1 pts
Two or more races1.3%0.5% 0.8 pts
American Indian0.2%0.5% 0.3 pts
Pacific Islander0.7%0.0% 0.7 pts

NCES history for this school begins in 1987. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.

Typical home value $635K in zip 91764 as of 2026-05 · trend since 2000

$167K$335K$502K$669K$638K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 91764 on Zillow →

Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Mariposa Elementary

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What school district is Mariposa Elementary in?

Mariposa Elementary is part of the Ontario-Montclair district in Ontario, California.

Is Mariposa Elementary a good school?

SchoolRow ranks Mariposa Elementary 4,495th of 5,659 California elementary schools (better than 21% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Mariposa Elementary?

Hispanic 87%, Black 8%, White 2%, Asian 2% (567 students, 2023–24).

How much do homes near Mariposa Elementary cost?

The typical home value in zip code 91764 is $635K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.