allk12 · Rankings · Biggest declines · California · High schools

The public high schools with the biggest test-score declines in California

Across California, 1,044 public high schools are ranked here, ranked by the 3-year drop in composite math + reading proficiency. Anderson New Technology High leads the list at -40.2pp, against a median of +2.1pp 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

1,044

California

Best 3-yr change

-40.2pp

Median 3-yr change

+2.1pp

BIGGEST DECLINES · CALIFORNIA

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Anderson New Technology High	Anderson, CA	Anderson Union High	102	71.4%	31.3%	-40.2pp
2	Point Arena High	Point Arena, CA	Point Arena Joint Union High	131	35.7%	6.1%	-29.7pp
3	Coast Union High	Cambria, CA	Coast Unified	159	47.1%	18.9%	-28.1pp
4	Vasquez High	Acton, CA	Acton-Agua Dulce Unified	394	35.3%	15.8%	-19.5pp
5	Durham High	Durham, CA	Durham Unified	320	57.3%	39.1%	-18.1pp
6	Rancho Bernardo High	San Diego, CA	Poway Unified	2,210	80.5%	62.6%	-17.9pp
7	Ripon High	Ripon, CA	Ripon Unified	1,051	65.3%	47.7%	-17.6pp
8	Mission High	San Francisco, CA	San Francisco Unified	993	28.5%	11.6%	-16.9pp
9	The MET	Sacramento, CA	Sacramento City Unified	190	45.4%	29.0%	-16.4pp
10	Yosemite High	Oakhurst, CA	Yosemite Unified	542	45.8%	30.4%	-15.4pp
11	Fort Bragg High	Fort Bragg, CA	Fort Bragg Unified	569	40.7%	25.3%	-15.4pp
12	Ferndale High	Ferndale, CA	Ferndale Unified	145	55.8%	40.9%	-14.9pp
13	Quincy Junior/Senior High	Quincy, CA	Plumas Unified	310	38.7%	23.9%	-14.8pp
14	Trona High	Trona, CA	Trona Joint Unified	111	26.8%	12.3%	-14.5pp
15	Malibu High	Malibu, CA	Santa Monica-Malibu Unified	387	70.0%	56.4%	-13.6pp
16	San Leandro High	San Leandro, CA	San Leandro Unified	2,510	40.9%	27.7%	-13.2pp
17	Tide Academy	Menlo Park, CA	Sequoia Union High	212	54.4%	41.4%	-13.1pp
18	Gahr (Richard) High	Cerritos, CA	ABC Unified	1,631	58.8%	45.9%	-12.9pp
19	Aptos High	Aptos, CA	Pajaro Valley Unified	1,274	51.5%	38.6%	-12.9pp
20	Clear Lake High	Lakeport, CA	Lakeport Unified	335	39.8%	27.1%	-12.7pp
21	Wallenberg (Raoul) Traditional High	San Francisco, CA	San Francisco Unified	522	61.5%	48.8%	-12.7pp
22	Waterford High	Waterford, CA	Waterford Unified	582	47.6%	35.0%	-12.6pp
23	Weed High	Weed, CA	Siskiyou Union High	187	36.9%	24.3%	-12.6pp
24	Half Moon Bay High	Half Moon Bay, CA	Cabrillo Unified	911	40.7%	28.3%	-12.4pp
25	Laton High	Laton, CA	Laton Joint Unified	163	33.3%	21.1%	-12.2pp
26	Amador High	Sutter Creek, CA	Amador County Unified	615	51.8%	39.8%	-12.1pp
27	Lowell High	San Francisco, CA	San Francisco Unified	2,571	90.9%	79.2%	-11.7pp
28	Redwood High	Larkspur, CA	Tamalpais Union High	1,722	75.2%	63.7%	-11.5pp
29	Del Oro High	Loomis, CA	Placer Union High	1,634	75.3%	64.0%	-11.4pp
30	Palo Alto High	Palo Alto, CA	Palo Alto Unified	1,891	85.9%	74.8%	-11.1pp
31	Tomales High	Tomales, CA	Shoreline Unified	127	32.0%	21.0%	-11.1pp
32	Ocean View High	Huntington Beach, CA	Huntington Beach Union High	1,154	42.2%	31.4%	-10.8pp
33	Azusa High	Azusa, CA	Azusa Unified	1,609	43.1%	32.4%	-10.7pp
34	Los Alamitos High	Los Alamitos, CA	Los Alamitos Unified	2,915	69.8%	59.4%	-10.5pp
35	Northgate High	Walnut Creek, CA	Mt. Diablo Unified	1,546	72.8%	62.3%	-10.5pp
36	Foresthill High	Foresthill, CA	Placer Union High	190	58.1%	47.7%	-10.4pp
37	Del Campo High	Fair Oaks, CA	San Juan Unified	1,548	40.8%	30.4%	-10.3pp
38	University High	Irvine, CA	Irvine Unified	2,307	72.9%	62.6%	-10.3pp
39	Hilda L. Solis Lrng Acad Sch of Tech Business and Ed	Los Angeles, CA	Los Angeles Unified	170	27.9%	17.6%	-10.2pp
40	Willits High	Willits, CA	Willits Unified	397	22.4%	12.2%	-10.2pp
41	Granite Hills High	El Cajon, CA	Grossmont Union High	2,331	41.9%	31.9%	-10.0pp
42	Temecula Valley High	Temecula, CA	Temecula Valley Unified	2,739	56.6%	46.7%	-9.9pp
43	Borrego Springs High	Borrego Springs, CA	Borrego Springs Unified	108	30.0%	20.1%	-9.9pp
44	Hamilton	Anza, CA	Hemet Unified	450	24.7%	14.8%	-9.9pp
45	Riverdale High	Riverdale, CA	Riverdale Joint Unified	496	43.3%	33.5%	-9.8pp
46	Castro Valley High	Castro Valley, CA	Castro Valley Unified	2,874	68.4%	58.7%	-9.6pp
47	Sonora High	La Habra, CA	Fullerton Joint Union High	1,779	62.0%	52.5%	-9.5pp
48	Argonaut High	Jackson, CA	Amador County Unified	593	42.1%	32.7%	-9.4pp
49	Southwest High	El Centro, CA	Central Union High	1,846	46.4%	37.0%	-9.4pp
50	Orange Cove High	Orange Cove, CA	Kings Canyon Joint Unified	635	55.5%	46.2%	-9.4pp

Page 1 of 21 · top 1,044 of 1,044 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.