allk12 · Rankings · Lowest proficiency · California · San Mateo County · High schools

The lowest-performing public high schools by test proficiency in San Mateo County, California

17 public high schools in San Mateo County, California appear in this ranking of the lowest-performing public high schools by test proficiency, ranked by the lowest composite state-assessment proficiency. Jefferson High leads the list at 29.9%, against a median of 51.1% 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

San Mateo County, California

Best % Proficient

29.9%

Median % Proficient

51.1%

LOWEST PROFICIENCY · SAN MATEO COUNTY, CALIFORNIA

#	School	City	District	Level	% FRL	Students	% Proficient
1	Jefferson High	Daly City, CA	Jefferson Union High	High	41.1%	1,072	29.9%
2	Capuchino High	San Bruno, CA	San Mateo Union High	High	34.2%	1,061	37.4%
3	Half Moon Bay High	Half Moon Bay, CA	Cabrillo Unified	High	25.7%	911	39.2%
4	Sequoia High	Redwood City, CA	Sequoia Union High	High	39.3%	1,854	41.2%
5	South San Francisco High	South San Francisco, CA	South San Francisco Unified	High	41.8%	1,239	42.1%
6	Terra Nova High	Pacifica, CA	Jefferson Union High	High	14.9%	740	47.5%
7	Woodside High	Woodside, CA	Sequoia Union High	High	28.7%	1,660	50.3%
8	Westmoor High	Daly City, CA	Jefferson Union High	High	40.8%	1,278	50.3%
9	Hillsdale High	San Mateo, CA	San Mateo Union High	High	25.2%	1,585	51.1%
10	San Mateo High	San Mateo, CA	San Mateo Union High	High	38.1%	1,557	54.7%
11	El Camino High	South San Francisco, CA	South San Francisco Unified	High	25.1%	1,053	55.3%
12	Tide Academy	Menlo Park, CA	Sequoia Union High	High	40.1%	212	62.7%
13	Menlo-Atherton High	Atherton, CA	Sequoia Union High	High	33.0%	2,158	63.1%
14	Mills High	Millbrae, CA	San Mateo Union High	High	20.3%	1,115	65.9%
15	Aragon High	San Mateo, CA	San Mateo Union High	High	16.8%	1,658	67.5%
16	Burlingame High	Burlingame, CA	San Mateo Union High	High	13.3%	1,583	74.2%
17	Carlmont High	Belmont, CA	Sequoia Union High	High	9.3%	2,360	80.5%

Page 1 of 1 · top 17 of 17 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in San Mateo County →

Lowest proficiency rankings at a wider scope

All California Nationwide

Other rankings for San Mateo County, California

Largest Most diverse Lowest ratio Highest proficiency Highest poverty Lowest poverty Highest ratio Fastest declining Most Hispanic Most Black Most White Most 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.