allk12 · Rankings · Largest · California · San Diego County

The largest public schools in San Diego County, California

Across San Diego County, California, 706 public schools are ranked here, ranked by total student enrollment, excluding online and virtual schools. San Marcos High leads the list at 3,067, against a median of 481 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

706

San Diego County, California

Top Students

3,067

Median Students

481

LARGEST · SAN DIEGO COUNTY, CALIFORNIA

#	School	City	District	Level	Students
1	San Marcos High	San Marcos, CA	San Marcos Unified	High	3,067
2	Mission Hills High	San Marcos, CA	San Marcos Unified	High	2,751
3	San Diego Workforce Innovation High	National City, CA	San Diego Workforce Innovation High District	High	2,722
4	Del Norte High	San Diego, CA	Poway Unified	High	2,557
5	Eastlake High	Chula Vista, CA	Sweetwater Union High	High	2,557
6	Helix High	La Mesa, CA	Helix High District	High	2,554
7	Torrey Pines High	San Diego, CA	San Dieguito Union High	High	2,536
8	Henry High	San Diego, CA	San Diego Unified	High	2,485
9	El Camino High	Oceanside, CA	Oceanside Unified	High	2,463
10	Otay Ranch Senior High	Chula Vista, CA	Sweetwater Union High	High	2,440
11	Carlsbad High	Carlsbad, CA	Carlsbad Unified	High	2,336
12	Granite Hills High	El Cajon, CA	Grossmont Union High	High	2,331
13	Sweetwater High	National City, CA	Sweetwater Union High	High	2,290
14	Olympian High	Chula Vista, CA	Sweetwater Union High	High	2,289
15	Rancho Bernardo High	San Diego, CA	Poway Unified	High	2,210
16	Steele Canyon High	Spring Valley, CA	Steele Canyon High District	High	2,198
17	Mira Mesa High	San Diego, CA	San Diego Unified	High	2,187
18	Grossmont High	La Mesa, CA	Grossmont Union High	High	2,172
19	Canyon Crest Academy	San Diego, CA	San Dieguito Union High	High	2,147
20	Westview High	San Diego, CA	Poway Unified	High	2,116
21	Poway High	Poway, CA	Poway Unified	High	2,101
22	Hoover High	San Diego, CA	San Diego Unified	High	2,011
23	Bonita Vista Senior High	Chula Vista, CA	Sweetwater Union High	High	1,960
24	Rancho Buena Vista High	Vista, CA	Vista Unified	High	1,949
25	Oceanside High	Oceanside, CA	Oceanside Unified	High	1,948
26	San Ysidro High	San Diego, CA	Sweetwater Union High	High	1,941
27	Scripps Ranch High	San Diego, CA	San Diego Unified	High	1,890
28	Chula Vista Senior High	Chula Vista, CA	Sweetwater Union High	High	1,864
29	Fallbrook High	Fallbrook, CA	Fallbrook Union High	High	1,853
30	San Pasqual High	Escondido, CA	Escondido Union High	High	1,846
31	San Dieguito HS Academy	Encinitas, CA	San Dieguito Union High	High	1,843
32	El Capitan High	Lakeside, CA	Grossmont Union High	High	1,810
33	Mt. Carmel High	San Diego, CA	Poway Unified	High	1,800
34	Orange Glen High	Escondido, CA	Escondido Union High	High	1,788
35	La Costa Canyon High	Carlsbad, CA	San Dieguito Union High	High	1,774
36	Hilltop Senior High	Chula Vista, CA	Sweetwater Union High	High	1,771
37	Vista High	Vista, CA	Vista Unified	High	1,746
38	Valhalla High	El Cajon, CA	Grossmont Union High	High	1,728
39	Point Loma High	San Diego, CA	San Diego Unified	High	1,724
40	Rancho del Rey Middle	Chula Vista, CA	Sweetwater Union High	Middle	1,705
41	El Cajon Valley High	El Cajon, CA	Grossmont Union High	High	1,701
42	Mission Vista High	Oceanside, CA	Vista Unified	High	1,670
43	Escondido High	Escondido, CA	Escondido Union High	High	1,656
44	West Hills High	Santee, CA	Grossmont Union High	High	1,624
45	Santana High	Santee, CA	Grossmont Union High	High	1,621
46	Eastlake Middle	Chula Vista, CA	Sweetwater Union High	Middle	1,613
47	San Diego High	San Diego, CA	San Diego Unified	High	1,602
48	Morse High	San Diego, CA	San Diego Unified	High	1,591
49	Classical Academy	Escondido, CA	Classical Academy District	Elementary	1,581
50	Montgomery Senior High	San Diego, CA	Sweetwater Union High	High	1,568

Page 1 of 15 · top 706 of 706 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.