allk12 · Rankings · Fastest declining · California · Ontario

The fastest-declining public schools by enrollment in Ontario, California

This ranking covers the fastest-declining public schools by enrollment in Ontario, California, drawn from 29 qualifying public schools. Ray Wiltsey Middle leads the list at -35.5%, against a median of -16.5% across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked

Ontario, California

Best Enrollment change

-35.5%

Median Enrollment change

-16.5%

FASTEST DECLINING · ONTARIO, CALIFORNIA

#	School	City	District	2017-18	2024-25	% Change
1	Ray Wiltsey Middle	Ontario, CA	Ontario-Montclair	1,128	727	-35.5%
2	Grace Yokley Junior High	Ontario, CA	Mountain View Elementary	884	606	-31.4%
3	Elderberry Elementary	Ontario, CA	Ontario-Montclair	766	544	-29.0%
4	Vineyard Elementary	Ontario, CA	Ontario-Montclair	784	562	-28.3%
5	Sultana Elementary	Ontario, CA	Ontario-Montclair	758	589	-22.3%
6	Oaks Middle	Ontario, CA	Ontario-Montclair	860	668	-22.3%
7	Vista Grande Elementary	Ontario, CA	Ontario-Montclair	460	358	-22.2%
8	Levi H. Dickey Elementary	Ontario, CA	Chino Valley Unified	514	413	-19.6%
9	Euclid Elementary	Ontario, CA	Ontario-Montclair	709	572	-19.3%
10	Hawthorne Elementary	Ontario, CA	Ontario-Montclair	679	549	-19.1%
11	Richard Haynes Elementary	Ontario, CA	Ontario-Montclair	788	641	-18.7%
12	Berlyn Elementary	Ontario, CA	Ontario-Montclair	782	639	-18.3%
13	Vina Danks Middle	Ontario, CA	Ontario-Montclair	664	544	-18.1%
14	Corona Elementary	Ontario, CA	Ontario-Montclair	501	414	-17.4%
15	Ontario High	Ontario, CA	Chaffey Joint Union High	2,388	1,994	-16.5%
16	Mariposa Elementary	Ontario, CA	Ontario-Montclair	641	537	-16.2%
17	Woodcrest Junior High	Ontario, CA	Chino Valley Unified	378	324	-14.3%
18	Bon View Elementary	Ontario, CA	Ontario-Montclair	698	598	-14.3%
19	Mission Elementary	Ontario, CA	Ontario-Montclair	665	571	-14.1%
20	Valley View High (Continuation)	Ontario, CA	Chaffey Joint Union High	430	370	-14.0%
21	Liberty Elementary	Ontario, CA	Chino Valley Unified	668	578	-13.5%
22	Del Norte Elementary	Ontario, CA	Ontario-Montclair	490	428	-12.7%
23	De Anza Middle	Ontario, CA	Ontario-Montclair	568	510	-10.2%
24	Ontario Center	Ontario, CA	Cucamonga Elementary	633	585	-7.6%
25	Chaffey High	Ontario, CA	Chaffey Joint Union High	3,297	3,127	-5.2%
26	Edison Elementary	Ontario, CA	Ontario-Montclair	771	736	-4.5%
27	Lincoln Elementary	Ontario, CA	Ontario-Montclair	551	530	-3.8%
28	Creek View Elementary	Ontario, CA	Mountain View Elementary	586	566	-3.4%
29	Colony High	Ontario, CA	Chaffey Joint Union High	2,173	2,109	-2.9%

Page 1 of 1 · top 29 of 29 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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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.