allk12 · Rankings · Fastest declining · California · Orange County · High schools

The fastest-declining public high schools by enrollment in Orange County, California

Across Orange County, California, 71 public high schools are ranked here, ranked by the steepest enrollment decline between the 2017-18 and 2024-25 school years. La Sierra High (Alternative) leads the list at -45.2%, against a median of -14.4% across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

Orange County, California

Best Enrollment change

-45.2%

Median Enrollment change

-14.4%

FASTEST DECLINING · ORANGE COUNTY, CALIFORNIA

#	School	City	District	2017-18	2024-25	% Change
1	La Sierra High (Alternative)	Fullerton, CA	Fullerton Joint Union High	431	236	-45.2%
2	Hector G. Godinez	Santa Ana, CA	Santa Ana Unified	2,540	1,687	-33.6%
3	Dana Hills High	Dana Point, CA	Capistrano Unified	2,588	1,725	-33.3%
4	Tustin High	Tustin, CA	Tustin Unified	2,373	1,627	-31.4%
5	Mission Viejo High	Mission Viejo, CA	Saddleback Valley Unified	2,221	1,566	-29.5%
6	Western High	Anaheim, CA	Anaheim Union High	2,004	1,446	-27.8%
7	Loara High	Anaheim, CA	Anaheim Union High	2,063	1,539	-25.4%
8	Savanna High	Anaheim, CA	Anaheim Union High	1,951	1,466	-24.9%
9	Laguna Beach High	Laguna Beach, CA	Laguna Beach Unified	1,084	815	-24.8%
10	Richland Continuation High	Orange, CA	Orange Unified	218	165	-24.3%
11	Estancia High	Costa Mesa, CA	Newport-Mesa Unified	1,269	976	-23.1%
12	Lorin Griset Academy	Santa Ana, CA	Santa Ana Unified	367	283	-22.9%
13	Gilbert High (Continuation)	Anaheim, CA	Anaheim Union High	696	543	-22.0%
14	El Toro High	Lake Forest, CA	Saddleback Valley Unified	2,436	1,902	-21.9%
15	Tesoro High	Las Flores, CA	Capistrano Unified	2,583	2,030	-21.4%
16	Los Amigos High	Fountain Valley, CA	Garden Grove Unified	1,812	1,430	-21.1%
17	Rancho Alamitos High	Garden Grove, CA	Garden Grove Unified	1,818	1,439	-20.8%
18	John F. Kennedy High	La Palma, CA	Anaheim Union High	2,471	1,983	-19.7%
19	La Vista High (Continuation)	Fullerton, CA	Fullerton Joint Union High	369	298	-19.2%
20	Corona del Mar High	Newport Beach, CA	Newport-Mesa Unified	2,592	2,106	-18.8%
21	College and Career Preparatory Academy	Fountain Valley, CA	Orange County Department of Education	207	168	-18.8%
22	Marina High	Huntington Beach, CA	Huntington Beach Union High	2,452	1,997	-18.6%
23	Santiago High	Garden Grove, CA	Garden Grove Unified	2,037	1,664	-18.3%
24	Aliso Niguel High	Aliso Viejo, CA	Capistrano Unified	3,120	2,563	-17.9%
25	Edison High	Huntington Beach, CA	Huntington Beach Union High	2,497	2,049	-17.9%
26	Laguna Hills High	Laguna Hills, CA	Saddleback Valley Unified	1,599	1,317	-17.6%
27	Ocean View High	Huntington Beach, CA	Huntington Beach Union High	1,378	1,154	-16.3%
28	Esperanza High	Anaheim, CA	Placentia-Yorba Linda Unified	1,664	1,393	-16.3%
29	Silverado High	Mission Viejo, CA	Saddleback Valley Unified	238	200	-16.0%
30	El Modena High	Orange, CA	Orange Unified	2,133	1,795	-15.8%
31	Bolsa Grande High	Garden Grove, CA	Garden Grove Unified	2,016	1,701	-15.6%
32	Santa Ana High	Santa Ana, CA	Santa Ana Unified	2,963	2,505	-15.5%
33	Katella High	Anaheim, CA	Anaheim Union High	2,749	2,326	-15.4%
34	Buena Park High	Buena Park, CA	Fullerton Joint Union High	1,983	1,682	-15.2%
35	Century High	Santa Ana, CA	Santa Ana Unified	1,782	1,519	-14.8%
36	Anaheim High	Anaheim, CA	Anaheim Union High	3,115	2,667	-14.4%
37	La Habra High	La Habra, CA	Fullerton Joint Union High	2,194	1,881	-14.3%
38	Villa Park High	Villa Park, CA	Orange Unified	2,342	2,023	-13.6%
39	Early College High	Costa Mesa, CA	Newport-Mesa Unified	203	177	-12.8%
40	Trabuco Hills High	Mission Viejo, CA	Saddleback Valley Unified	2,830	2,475	-12.5%
41	Foothill High	Santa Ana, CA	Tustin Unified	2,425	2,126	-12.3%
42	Fountain Valley High	Fountain Valley, CA	Huntington Beach Union High	3,612	3,171	-12.2%
43	Valencia High	Placentia, CA	Placentia-Yorba Linda Unified	2,729	2,411	-11.7%
44	Saddleback High	Santa Ana, CA	Santa Ana Unified	1,626	1,451	-10.8%
45	Newport Harbor High	Newport Beach, CA	Newport-Mesa Unified	2,335	2,084	-10.7%
46	Huntington Beach High	Huntington Beach, CA	Huntington Beach Union High	2,954	2,645	-10.5%
47	Westminster High	Westminster, CA	Huntington Beach Union High	2,826	2,529	-10.5%
48	Los Alamitos High	Los Alamitos, CA	Los Alamitos Unified	3,235	2,915	-9.9%
49	Valley High	Santa Ana, CA	Santa Ana Unified	2,113	1,908	-9.7%
50	San Clemente High	San Clemente, CA	Capistrano Unified	3,026	2,740	-9.5%

Page 1 of 2 · top 71 of 71 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.