San Mateo Sun

San Mateo-Foster City had the highest enrollment among San Mateo County school districts, welcoming 10,043 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, 52.5% of them were boys, and 47.5% were girls.

The most represented ethnicity among San Mateo-Foster City students was Asian, accounting for 25.4% of the student population.

Among the 24 districts in San Mateo County, Sequoia Union High School District ranked second in enrollment numbers with 9,692 students, while San Mateo Union High School District welcomed 9,444 students and ranked third in the 2022-23 school year.

San Mateo-Foster City roughly covers schools within San Mateo County and has a main office in Foster City.

In the previous school year, Sequoia Union High School District had the highest number of students among San Mateo County districts.

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 the Public Policy Institute of California expects it to drop another 8% by the 2031-32 school year.

District	City (main office)	Total Enrollment
San Mateo-Foster City	Foster City	10,043
Sequoia Union High School District	Redwood City	9,692
San Mateo Union High School District	San Mateo	9,444
South San Francisco Unified School District	South San Francisco	7,844
Redwood City Elementary School District	Redwood City	7,522
Jefferson Elementary School District	Daly City	5,957
Jefferson Union High School District	Daly City	4,254
Belmont-Redwood Shores Elementary School District	Belmont	3,943
Burlingame Elementary School District	Burlingame	3,282
San Carlos Elementary School District	San Carlos	3,052
Pacifica	Pacifica	2,750
Cabrillo Unified School District	Half Moon Bay	2,723
Menlo Park City Elementary School District	Atherton	2,702
Ravenswood City Elementary School District	East Palo Alto	2,618
Millbrae Elementary School District	Millbrae	2,070
San Bruno Park Elementary School District	San Bruno	2,013
Hillsborough City Elementary School District	Hillsborough	1,292
Las Lomitas Elementary School District	Menlo Park	1,146
Portola Valley Elementary School District	Portola Valley	513
Brisbane Elementary School District	Brisbane	454
Woodside Elementary School District	Woodside	371
Bayshore Elementary School District	Daly City	322
La Honda-Pescadero Unified School District	Pescadero	258
San Mateo County Office of Education	Redwood City	179