allk12 · Rankings · Largest · California · Contra Costa County

The largest public schools in Contra Costa County, California

Across Contra Costa County, California, 269 public schools are ranked here, ranked by total student enrollment, excluding online and virtual schools. Pittsburg Senior High leads the list at 3,403, against a median of 495 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

269

Contra Costa County, California

Top Students

3,403

Median Students

495

LARGEST · CONTRA COSTA COUNTY, CALIFORNIA

#	School	City	District	Level	Students
1	Pittsburg Senior High	Pittsburg, CA	Pittsburg Unified	High	3,403
2	Dougherty Valley High	San Ramon, CA	San Ramon Valley Unified	High	3,039
3	California High	San Ramon, CA	San Ramon Valley Unified	High	2,894
4	Liberty High	Brentwood, CA	Liberty Union High	High	2,836
5	Heritage High	Brentwood, CA	Liberty Union High	High	2,566
6	Freedom High	Oakley, CA	Liberty Union High	High	2,460
7	Clayton Valley Charter High	Concord, CA	Clayton Valley Charter High District	High	2,373
8	Monte Vista High	Danville, CA	San Ramon Valley Unified	High	2,042
9	San Ramon Valley High	Danville, CA	San Ramon Valley Unified	High	2,036
10	College Park High	Pleasant Hill, CA	Mt. Diablo Unified	High	1,948
11	Deer Valley High	Antioch, CA	Antioch Unified	High	1,812
12	Antioch High	Antioch, CA	Antioch Unified	High	1,776
13	Las Lomas High	Walnut Creek, CA	Acalanes Union High	High	1,577
14	Northgate High	Walnut Creek, CA	Mt. Diablo Unified	High	1,546
15	El Cerrito High	El Cerrito, CA	West Contra Costa Unified	High	1,460
16	Mt. Diablo High	Concord, CA	Mt. Diablo Unified	High	1,397
17	Campolindo High	Moraga, CA	Acalanes Union High	High	1,340
18	Richmond High	Richmond, CA	West Contra Costa Unified	High	1,280
19	Acalanes High	Lafayette, CA	Acalanes Union High	High	1,256
20	Pinole Valley High	Pinole, CA	West Contra Costa Unified	High	1,245
21	William B. Bristow Middle	Brentwood, CA	Brentwood Union	Middle	1,223
22	Adams (J. Douglas) Middle	Brentwood, CA	Brentwood Union	Middle	1,197
23	Miramonte High	Orinda, CA	Acalanes Union High	High	1,167
24	Concord High	Concord, CA	Mt. Diablo Unified	High	1,137
25	M. H. Stanley Middle	Lafayette, CA	Lafayette Elementary	Middle	1,117
26	Making Waves Academy	Richmond, CA	Making Waves Academy District	High	1,078
27	Ygnacio Valley High	Concord, CA	Mt. Diablo Unified	High	1,059
28	Park Middle	Antioch, CA	Antioch Unified	Middle	1,055
29	Edna Hill Middle	Brentwood, CA	Brentwood Union	Middle	1,047
30	De Anza High	Richmond, CA	West Contra Costa Unified	High	1,047
31	Alhambra Senior High	Martinez, CA	Martinez Unified	High	1,028
32	Windemere Ranch Middle	San Ramon, CA	San Ramon Valley Unified	Middle	1,011
33	Foothill Middle	Walnut Creek, CA	Mt. Diablo Unified	Middle	1,005
34	Pine Valley Middle	San Ramon, CA	San Ramon Valley Unified	Middle	973
35	Caliber: Beta Academy	San Pablo, CA	Caliber: Beta Academy District	Elementary	971
36	Gale Ranch Middle	San Ramon, CA	San Ramon Valley Unified	Middle	971
37	Walnut Creek Intermediate	Walnut Creek, CA	Walnut Creek Elementary	Middle	940
38	Iron Horse Middle	San Ramon, CA	San Ramon Valley Unified	Middle	939
39	Hillview Junior High	Pittsburg, CA	Pittsburg Unified	Middle	893
40	R. Paul Krey Elementary	Brentwood, CA	Brentwood Union	Elementary	885
41	Sequoia Middle	Pleasant Hill, CA	Mt. Diablo Unified	Middle	882
42	Delta Vista Middle	Oakley, CA	Oakley Union Elementary	Middle	873
43	El Dorado Middle	Concord, CA	Mt. Diablo Unified	Middle	861
44	Pioneer Elementary	Brentwood, CA	Brentwood Union	Elementary	859
45	O'Hara Park Middle	Oakley, CA	Oakley Union Elementary	Middle	856
46	Charlotte Wood Middle	Danville, CA	San Ramon Valley Unified	Middle	853
47	Martinez Junior High	Martinez, CA	Martinez Unified	Middle	843
48	Diablo Vista Middle	Danville, CA	San Ramon Valley Unified	Middle	835
49	Hidden Valley Elementary	Martinez, CA	Mt. Diablo Unified	Elementary	831
50	Orinda Intermediate	Orinda, CA	Orinda Union	Middle	822

Page 1 of 6 · top 269 of 269 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.