allk12 · Rankings · Largest · California · Los Angeles County · High schools

The largest public high schools in Los Angeles County, California

487 public high schools in Los Angeles County, California appear in this ranking of the largest public high schools, ranked by total student enrollment, excluding online and virtual schools. Downey High leads the list at 4,051, against a median of 534 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

487

Los Angeles County, California

Top Students

4,051

Median Students

534

LARGEST · LOS ANGELES COUNTY, CALIFORNIA

#	School	City	District	Level	Students
1	Downey High	Downey, CA	Downey Unified	High	4,051
2	Polytechnic High	Long Beach, CA	Long Beach Unified	High	3,890
3	Warren (Earl) High	Downey, CA	Downey Unified	High	3,609
4	Millikan High	Long Beach, CA	Long Beach Unified	High	3,408
5	Paramount High	Paramount, CA	Paramount Unified	High	3,400
6	Options For Youth - Duarte Inc	Pasadena, CA	Options For Youth - Duarte Inc District	High	3,369
7	Wilson High	Long Beach, CA	Long Beach Unified	High	3,349
8	Quartz Hill High	Quartz Hill, CA	Antelope Valley Union High	High	3,175
9	Birmingham Community Charter High	Lake Balboa, CA	Birmingham Community Charter High District	High	3,162
10	El Camino Real Charter High	Woodland Hills, CA	El Camino Real Charter High District	High	3,046
11	Assurance Learning Academy	Lancaster, CA	Assurance Learning Academy District	High	3,014
12	Arcadia High	Arcadia, CA	Arcadia Unified	High	2,939
13	Redondo Union High	Redondo Beach, CA	Redondo Beach Unified	High	2,921
14	Palisades Charter High	Pacific Palisades, CA	Palisades Charter High District	High	2,920
15	Grover Cleveland Charter High	Reseda, CA	Los Angeles Unified	High	2,719
16	Highland High	Palmdale, CA	Antelope Valley Union High	High	2,706
17	Lancaster High	Lancaster, CA	Antelope Valley Union High	High	2,688
18	Eastside High	Lancaster, CA	Antelope Valley Union High	High	2,631
19	Crescenta Valley High	La Crescenta, CA	Glendale Unified	High	2,624
20	Santa Monica High	Santa Monica, CA	Santa Monica-Malibu Unified	High	2,588
21	Diamond Bar High	Diamond Bar, CA	Walnut Valley Unified	High	2,563
22	Mira Costa High	Manhattan Beach, CA	Manhattan Beach Unified	High	2,473
23	Burbank High	Burbank, CA	Burbank Unified	High	2,457
24	North Hollywood Senior High	North Hollywood, CA	Los Angeles Unified	High	2,444
25	Mayfair High	Lakewood, CA	Bellflower Unified	High	2,422
26	Phineas Banning Senior High	Wilmington, CA	Los Angeles Unified	High	2,422
27	San Pedro Senior High	San Pedro, CA	Los Angeles Unified	High	2,398
28	La Serna High	Whittier, CA	Whittier Union High	High	2,372
29	William J. (Pete) Knight High	Palmdale, CA	Antelope Valley Union High	High	2,349
30	Saugus High	Saugus, CA	William S. Hart Union High	High	2,317
31	Lakewood High	Lakewood, CA	Long Beach Unified	High	2,305
32	Venice Senior High	Los Angeles, CA	Los Angeles Unified	High	2,293
33	Valencia High	Valencia, CA	William S. Hart Union High	High	2,286
34	Burroughs High	Burbank, CA	Burbank Unified	High	2,283
35	Jordan High	Long Beach, CA	Long Beach Unified	High	2,272
36	California High	Whittier, CA	Whittier Union High	High	2,261
37	James A. Garfield Senior High	Los Angeles, CA	Los Angeles Unified	High	2,237
38	Taft Charter High	Woodland Hills, CA	Los Angeles Unified	High	2,221
39	Palmdale High	Palmdale, CA	Antelope Valley Union High	High	2,208
40	Mark Keppel High	Alhambra, CA	Alhambra Unified	High	2,201
41	John F. Kennedy High	Granada Hills, CA	Los Angeles Unified	High	2,152
42	Walnut High	Walnut, CA	Walnut Valley Unified	High	2,148
43	John H. Francis Polytechnic	Sun Valley, CA	Los Angeles Unified	High	2,124
44	Schurr High	Montebello, CA	Montebello Unified	High	2,121
45	Bell Senior High	Bell, CA	Los Angeles Unified	High	2,088
46	Norwalk High	Norwalk, CA	Norwalk-La Mirada Unified	High	2,075
47	Palos Verdes Peninsula High	Rolling Hills Estates, CA	Palos Verdes Peninsula Unified	High	2,075
48	Glendora High	Glendora, CA	Glendora Unified	High	2,069
49	Glendale High	Glendale, CA	Glendale Unified	High	2,066
50	Claremont High	Claremont, CA	Claremont Unified	High	2,065

Page 1 of 10 · top 487 of 487 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Los Angeles County →

Largest rankings at a wider scope

All California Nationwide

Other rankings for Los Angeles County, California

Most diverse Lowest ratio Highest proficiency Fastest growing Highest poverty Lowest poverty Highest ratio Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian

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.