San Mateo Sun

Carlmont High School had the highest enrollment among San Mateo County schools, welcoming 2,322 students during the 2022-23 school year, according to the California Department of Education.

Of all the students welcomed in the 2022-23 school year, 50.6% of them were girls, and 49.4% were boys.

The most represented ethnicity among Carlmont High School students was white, accounting for 45.3% of the student population.

Among the 156 schools in San Mateo County, Menlo-Atherton High School ranked second in enrollment numbers with 2,125 students, while Sequoia High School welcomed 1,909 students and ranked third in the 2022-23 school year.

Carlmont High School is part of Sequoia Union High School District, which roughly covers schools within San Mateo County and has a main office in Redwood City.

In the previous school year, Carlmont High School also had the highest number of students among San Mateo County schools.

In the last decade, enrollment in California elementary and secondary schools rose by at least 5%, while high school enrollment dropped 5%.

However, overall enrollment in California public schools is sliding, and predicted by the Public Policy Institute of California to drop another 8% by the 2031-32 school year.

School name	City	Total School Enrollment
Carlmont High School	Belmont	2,322
Menlo-Atherton High School	Atherton	2,125
Sequoia High School	Redwood City	1,909
Aragon High School	San Mateo	1,740
Woodside High School	Woodside	1,694
Hillsdale High School	San Mateo	1,629
San Mateo High School	San Mateo	1,613
Burlingame High School	Burlingame	1,519
Westmoor High School	Daly City	1,302
South San Francisco High School	South San Francisco	1,280
El Camino High School	South San Francisco	1,173
Jefferson High School	Daly City	1,159
Mills High School	Millbrae	1,141
Ralston Intermediate School	Belmont	1,117
Capuchino High School	San Bruno	1,091
Half Moon Bay High School	Half Moon Bay	1,024
Burlingame Intermediate School	Burlingame	1,013
Borel Middle School	San Mateo	926
Bowditch Middle School	Foster City	908
Hillview Middle School	Menlo Park	867
Bayside Academy	San Mateo	842
Abbott Middle School	San Mateo	745
Terra Nova High School	Pacifica	739
Taylor Middle School	Millbrae	709
John F. Kennedy Middle School	Redwood City	706
Foster City Elementary School	Foster City	699
Clifford Elementary School	Redwood City	682
Laurel Elementary School	Atherton	671
Hoover Elementary School	Redwood City	648
Roy Cloud Elementary School	Redwood City	633
Alta Loma Middle School	South San Francisco	628
Parkside Intermediate School	San Bruno	614
Parkway Heights Middle School	South San Francisco	612
Nesbit Elementary School	Belmont	608
Thomas R. Pollicita Middle School	Daly City	607
Encinal Elementary School	Atherton	602
La Entrada Middle School	Menlo Park	595
Manuel F. Cunha Intermediate School	Half Moon Bay	584
Buri Buri Elementary School	South San Francisco	574
Oak Knoll Elementary School	Menlo Park	562
McKinley Elementary School	Burlingame	552
Las Lomitas Elementary School	Atherton	551
Cabrillo Elementary School	Pacifica	548
Adelante Selby Spanish Immersion	Atherton	545
Alvin S. Hatch Elementary School	Half Moon Bay	542
Oceana High School	Pacifica	535
Audubon Elementary School	Foster City	531
Monte Verde Elementary School	San Bruno	531
Roosevelt Elementary School	Redwood City	529
Sandpiper Elementary School	Redwood City	529
Laurel Elementary School	San Mateo	527
North Star Academy	Redwood City	519
Cesar Chavez Ravenswood Middle School	East Palo Alto	515
Garfield Elementary School	Menlo Park	515
Baywood Elementary School	San Mateo	512
Fernando Rivera Intermediate School	Daly City	502
Benjamin Franklin Intermediate School	Colma	500
Westborough Middle School	South San Francisco	491
Vallemar Elementary School	Pacifica	490
Cipriani Elementary School	Belmont	471
Tierra Linda Middle School	San Carlos	458
Henry Ford Elementary School	Redwood City	448
Susan B. Anthony Elementary School	Daly City	448
Ingrid B. Lacy Middle School	Pacifica	445
Central Elementary School	Belmont	437
Crocker Middle School	Hillsborough	435
College Park Elementary	San Mateo	433
Central Middle School	San Carlos	427
Ortega Elementary School	Pacifica	427
Lincoln Elementary School	Burlingame	425
Orion Alternative	Redwood City	419
Ocean Shore Elementary School	Pacifica	412
Spruce Elementary School	South San Francisco	408
Fox Elementary School	Belmont	407
Fiesta Gardens International Elementary School	San Mateo	396
John Muir Elementary School	San Bruno	395
Sunset Ridge Elementary School	Pacifica	394
George Hall Elementary School	San Mateo	387
Highlands Elementary School	San Mateo	385
Martin Elementary School	South San Francisco	383
Franklin Elementary School	Burlingame	380
Washington Elementary School	Burlingame	376
Spring Valley Elementary School	Millbrae	375
Redwood Shores Elementary School	Redwood City	374
Woodside Elementary School	Woodside	371
LEAD Elementary School	San Mateo	370
Arundel Elementary School	San Carlos	368
Sunnybrae Elementary School	San Mateo	368
Skyline Elementary School	Daly City	360
Brewer Island Elementary School	Foster City	357
Belle Haven Elementary School	Menlo Park	356
Meadows Elementary School	Millbrae	355
Taft Elementary School	Redwood City	354
Ponderosa Elementary School	South San Francisco	351
Costano Elementary School	East Palo Alto	348
Franklin Delano Roosevelt Elementary School	Daly City	344
Green Hills Elementary School	Millbrae	338
Brittan Acres Elementary School	San Carlos	336
Sunshine Gardens Elementary School	South San Francisco	334
McKinley Institute of Technology	Redwood City	331
West Hillsborough	Hillsborough	330
Westlake Elementary School	Daly City	330
Parkside Montessori	San Mateo	328
Bayshore	Daly City	322
El Granada Elementary School	Half Moon Bay	318
John F. Kennedy Elementary School	Daly City	317
Marjorie H. Tobias Elementary School	Daly City	315
Roosevelt Elementary School	Burlingame	311
Thomas Edison Elementary School	Daly City	308
Los Cerritos Elementary School	South San Francisco	306
San Mateo Park Elementary School	San Mateo	306
Allen (Decima M.) Elementary School	San Bruno	305
Daniel Webster Elementary School	Daly City	299
Heather Elementary School	San Carlos	298
Lomita Park Elementary School	San Bruno	293
Junipero Serra Elementary School	Daly City	291
North Shoreview Montessori	San Mateo	291
Woodrow Wilson Elementary School	Daly City	286
Arroyo	San Carlos	277
Mariposa	San Carlos	277
Corte Madera	Portola Valley	273
North Hillsborough	Hillsborough	264
South Hillsborough	Hillsborough	263
Portola Elementary School	San Bruno	258
White Oaks Elementary School	San Carlos	255
Garden Village Elementary School	Colma	254
Meadow Heights Elementary School	San Mateo	254
Los Robles-Ronald McNair Academy	East Palo Alto	248
Tide Academy	Redwood City	243
Beach Park Elementary School	FOSTER CITY	240
Belle Air Elementary School	San Bruno	240
Ormondale Elementary School	Portola Valley	240
Beresford Elementary School	San Mateo	238
Margaret Pauline Brown Elementary School	Daly City	229
Hoover Elementary School	Burlingame	225
George Washington Elementary School	Daly City	209
Brisbane Elementary School	Brisbane	205
Rollingwood Elementary School	San Bruno	201
Redwood High School	Redwood City	196
Peninsula High (Continuation)	Burlingame	166
Farallone View Elementary School	Montara	164
Lipman Middle School	Brisbane	132
Pescadero Elementary and Middle School	Pescadero	123
Baden High (Continuation)	South San Francisco	122
Panorama Elementary School	Daly City	117
Pescadero High School	Pescadero	80
Thornton High School	Daly City	77
La Honda Elementary School	La Honda	55
Kings Mountain Elementary School	Woodside	53
San Mateo County Special Education	Redwood City	49
Pilarcitos Alternative High (Continuation)	Half Moon Bay	38
Pacifica Independent Home Study	Pacifica	34
Gateway Center	San Mateo	16
Hillcrest at Youth Services Center	Redwood City	8
Canyon Oaks Youth Center	Redwood City	7
Margaret J. Kemp	Redwood City	7