The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.

The fastest-declining public high schools by enrollment in San Mateo County, California

14 public high schools in San Mateo County, California appear in this ranking of the fastest-declining public high schools by enrollment, ranked by the steepest enrollment decline between the 2017-18 and 2024-25 school years. Oceana High leads the list at -23.9%, against a median of -12.2% 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
14
San Mateo County, California
Best Enrollment change
-23.9%
Median Enrollment change
-12.2%
FASTEST DECLINING · SAN MATEO COUNTY, CALIFORNIA
#SchoolCityDistrict2017-182024-25% Change
1Oceana HighPacifica, CAJefferson Union High619471-23.9%
2Redwood HighRedwood City, CASequoia Union High222175-21.2%
3Westmoor HighDaly City, CAJefferson Union High1,5791,278-19.1%
4Terra Nova HighPacifica, CAJefferson Union High914740-19.0%
5El Camino HighSouth San Francisco, CASouth San Francisco Unified1,2771,053-17.5%
6Sequoia HighRedwood City, CASequoia Union High2,1331,854-13.1%
7Capuchino HighSan Bruno, CASan Mateo Union High1,2131,061-12.5%
8Menlo-Atherton HighAtherton, CASequoia Union High2,4502,158-11.9%
9South San Francisco HighSouth San Francisco, CASouth San Francisco Unified1,3881,239-10.7%
10Woodside HighWoodside, CASequoia Union High1,8481,660-10.2%
11Mills HighMillbrae, CASan Mateo Union High1,2201,115-8.6%
12Half Moon Bay HighHalf Moon Bay, CACabrillo Unified995911-8.4%
13San Mateo HighSan Mateo, CASan Mateo Union High1,6651,557-6.5%
14Jefferson HighDaly City, CAJefferson Union High1,1441,072-6.3%
Page 1 of 1 · top 14 of 14 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in San Mateo County

Fastest declining rankings at a wider scope

All CaliforniaNationwide

Other rankings for San Mateo County, California

LargestMost diverseLowest ratioHighest proficiencyHighest povertyLowest povertyHighest ratioLowest proficiencyMost HispanicMost BlackMost WhiteMost 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.