The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
allk12 · Rankings · Lowest proficiency · California · Ontario · Elementary schools

The lowest-performing public elementary schools by test proficiency in Ontario, California

This ranking covers the lowest-performing public elementary schools by test proficiency in Ontario, California, drawn from 25 qualifying public elementary schools. Ontario Center leads the list at 24.1%, against a median of 34.8% across the ranked schools.

Sort any column, filter to a school or district, or download the full ranking as a CSV. Source data is federal NCES and state assessment reporting, 2024-25.

Schools ranked
25
Ontario, California
Best % Proficient
24.1%
Median % Proficient
34.8%
LOWEST PROFICIENCY · ONTARIO, CALIFORNIA
#SchoolCityDistrictLevel% FRLStudents% Proficient
1Ontario CenterOntario, CACucamonga ElementaryElementary75.4%58524.1%
2Del Norte ElementaryOntario, CAOntario-MontclairElementary93.0%42827.0%
3Mariposa ElementaryOntario, CAOntario-MontclairElementary94.8%53728.8%
4Bon View ElementaryOntario, CAOntario-MontclairElementary92.0%59829.2%
5Berlyn ElementaryOntario, CAOntario-MontclairElementary91.7%63929.3%
6Arroyo ElementaryOntario, CAOntario-MontclairElementary76.3%49329.3%
7Euclid ElementaryOntario, CAOntario-MontclairElementary89.3%57231.4%
8Mountain View ElementaryOntario, CAMountain View ElementaryElementary67.0%56432.1%
9Mission ElementaryOntario, CAOntario-MontclairElementary88.4%57133.0%
10Hawthorne ElementaryOntario, CAOntario-MontclairElementary82.7%54934.0%
11Sultana ElementaryOntario, CAOntario-MontclairElementary88.5%58934.6%
12Lincoln ElementaryOntario, CAOntario-MontclairElementary90.4%53034.8%
13Richard Haynes ElementaryOntario, CAOntario-MontclairElementary89.2%64134.8%
14Vineyard ElementaryOntario, CAOntario-MontclairElementary86.7%56235.4%
15El Camino ElementaryOntario, CAOntario-MontclairElementary89.9%47636.7%
16Levi H. Dickey ElementaryOntario, CAChino Valley UnifiedElementary83.8%41338.5%
17Creek View ElementaryOntario, CAMountain View ElementaryElementary66.6%56640.3%
18Elderberry ElementaryOntario, CAOntario-MontclairElementary92.5%54442.1%
19Central Language AcademyOntario, CAOntario-MontclairElementary65.2%73642.9%
20Corona ElementaryOntario, CAOntario-MontclairElementary91.1%41446.0%
21Ranch View ElementaryOntario, CAMountain View ElementaryElementary57.2%73846.2%
22Vista Grande ElementaryOntario, CAOntario-MontclairElementary77.9%35849.4%
23Liberty ElementaryOntario, CAChino Valley UnifiedElementary72.7%57850.4%
24Park View ElementaryOntario, CAMountain View ElementaryElementary34.4%84463.1%
25Edison ElementaryOntario, CAOntario-MontclairElementary72.8%73668.7%
Page 1 of 1 · top 25 of 25 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Ontario

Lowest proficiency rankings at a wider scope

All CaliforniaNationwide

Other rankings for Ontario, California

LargestMost diverseLowest ratioHighest proficiencyHighest povertyLowest povertyHighest ratioFastest decliningMost HispanicMost BlackMost WhiteMost AsianBest in mathBest in readingMost improvedBiggest declinesMost Native AmericanMost Pacific IslanderMost multiracialMost Hispanic (count)Most Black (count)Most White (count)Most Asian (count)Most Native American (count)Most Pacific Islander (count)Most multiracial (count)SmallestMost maleMost female

All ranking categories →

DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.