allk12 · Rankings · Lowest proficiency · California · High schools

The lowest-performing public high schools by test proficiency in California

Across California, 1,050 public high schools are ranked here, ranked by the lowest composite state-assessment proficiency. Trona High leads the list at 4.5%, against a median of 39.1% across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

1,050

California

Best % Proficient

4.5%

Median % Proficient

39.1%

LOWEST PROFICIENCY · CALIFORNIA

#	School	City	District	Level	% FRL	Students	% Proficient
1	Trona High	Trona, CA	Trona Joint Unified	High	73.9%	111	4.5%
2	Kern Workforce 2000 Academy	Bakersfield, CA	Kern High	High	89.0%	491	4.7%
3	Marshall (Thurgood) High	San Francisco, CA	San Francisco Unified	High	78.9%	475	4.7%
4	Encina High	Sacramento, CA	San Juan Unified	High	87.7%	766	5.2%
5	Rio Vista High	Rio Vista, CA	River Delta Joint Unified	High	71.9%	317	5.5%
6	Accelerated Charter High	Tulare, CA	Tulare Joint Union High	High	86.2%	152	5.7%
7	Fremont High	Oakland, CA	Oakland Unified	High	99.1%	1,166	6.5%
8	Castlemont High	Oakland, CA	Oakland Unified	High	99.0%	719	7.3%
9	Horace Mann UCLA Community	Los Angeles, CA	Los Angeles Unified	High	95.0%	440	7.5%
10	Grizzly ChalleNGe Charter	San Luis Obispo, CA	San Luis Obispo County Office of Education	High	84.6%	241	7.7%
11	Opportunity Youth Academy	San Jose, CA	Santa Clara County Office of Education	High	69.6%	283	7.9%
12	Stockton High	Stockton, CA	Stockton Unified	High	89.5%	191	8.5%
13	Mojave Jr./Sr. High	Mojave, CA	Mojave Unified	High	84.5%	400	9.5%
14	Mission High	San Francisco, CA	San Francisco Unified	High	62.5%	993	10.2%
15	McClymonds High	Oakland, CA	Oakland Unified	High	96.0%	273	10.3%
16	John F. Kennedy High	Richmond, CA	West Contra Costa Unified	High	59.9%	740	10.3%
17	O'Connell (John) High	San Francisco, CA	San Francisco Unified	High	70.4%	460	10.4%
18	Shasta County Independent Study	Redding, CA	Shasta County Office of Education	High	74.5%	102	11.2%
19	La Sierra High	Visalia, CA	Tulare County Office of Education	High	62.8%	191	11.3%
20	Barack Obama Global Preparation Academy	Los Angeles, CA	Los Angeles Unified	High	95.2%	293	12.1%
21	Madison Park Academy 6-12	Oakland, CA	Oakland Unified	High	98.4%	676	12.4%
22	Tranquillity High	Tranquillity, CA	Golden Plains Unified	High	98.4%	370	12.5%
23	Rubidoux High	Jurupa Valley, CA	Jurupa Unified	High	88.6%	1,259	13.0%
24	George Washington Preparatory High	Los Angeles, CA	Los Angeles Unified	High	97.2%	738	13.5%
25	Boron Junior-Senior High	Boron, CA	Muroc Joint Unified	High	60.1%	253	13.6%
26	Elsie Allen High	Santa Rosa, CA	Santa Rosa High	High	71.7%	1,029	14.4%
27	San Lorenzo High	San Lorenzo, CA	San Lorenzo Unified	High	81.5%	1,029	14.5%
28	MetWest High	Oakland, CA	Oakland Unified	High	93.7%	237	14.8%
29	Parlier High	Parlier, CA	Parlier Unified	High	94.9%	901	15.1%
30	Augustus Hawkins High	Los Angeles, CA	Los Angeles Unified	High	98.5%	1,122	15.2%
31	Susan Miller Dorsey Senior High	Los Angeles, CA	Los Angeles Unified	High	97.4%	853	15.3%
32	Lincoln High	San Diego, CA	San Diego Unified	High	89.8%	1,487	15.5%
33	Tennyson High	Hayward, CA	Hayward Unified	High	83.9%	1,511	15.9%
34	Ernest Kimme Charter Academy	Vacaville, CA	Vacaville Unified	High	63.4%	194	16.0%
35	Mountain Heights Academy	San Jacinto, CA	San Jacinto Unified	High	91.2%	125	16.0%
36	Engr and Tech Acad at Esteban E. Torres High #3	Los Angeles, CA	Los Angeles Unified	High	97.7%	263	16.1%
37	Jordan High	Los Angeles, CA	Los Angeles Unified	High	97.9%	797	16.3%
38	Morningside High	Inglewood, CA	Inglewood Unified	High	93.9%	407	16.4%
39	Century High	Santa Ana, CA	Santa Ana Unified	High	89.6%	1,519	16.5%
40	West Shores High	Salton City, CA	Coachella Valley Unified	High	93.8%	503	16.5%
41	Littlerock High	Littlerock, CA	Antelope Valley Union High	High	66.3%	1,507	16.5%
42	Richard D. Browning High	Long Beach, CA	Long Beach Unified	High	75.9%	340	16.7%
43	Coliseum College Prep Academy	Oakland, CA	Oakland Unified	High	98.7%	861	16.8%
44	Calaveras High	San Andreas, CA	Calaveras Unified	High	47.4%	703	16.8%
45	Diego Rivera Learning Complex Green Design STEAM Academy	Los Angeles, CA	Los Angeles Unified	High	96.3%	493	16.8%
46	Richmond High	Richmond, CA	West Contra Costa Unified	High	96.8%	1,280	16.8%
47	Hiram W. Johnson High	Sacramento, CA	Sacramento City Unified	High	77.5%	1,682	16.9%
48	Lakeview Leadership Academy	Victorville, CA	Victor Valley Union High	High	82.7%	901	17.0%
49	Willits High	Willits, CA	Willits Unified	High	50.6%	397	17.4%
50	Delta Charter	Aptos, CA	Santa Cruz City High	High	38.9%	113	17.5%

Page 1 of 21 · top 1,050 of 1,050 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.