allk12 · Rankings · Biggest declines · California · Contra Costa County · High schools

The public high schools with the biggest test-score declines in Contra Costa County, California

Across Contra Costa County, California, 28 public high schools are ranked here, ranked by the 3-year drop in composite math + reading proficiency. Northgate High leads the list at -10.5pp, against a median of +0.3pp 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

Contra Costa County, California

Best 3-yr change

-10.5pp

Median 3-yr change

+0.3pp

BIGGEST DECLINES · CONTRA COSTA COUNTY, CALIFORNIA

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Northgate High	Walnut Creek, CA	Mt. Diablo Unified	1,546	72.8%	62.3%	-10.5pp
2	Ygnacio Valley High	Concord, CA	Mt. Diablo Unified	1,059	29.3%	20.5%	-8.8pp
3	John Swett High	Crockett, CA	John Swett Unified	351	43.6%	38.0%	-5.5pp
4	Dougherty Valley High	San Ramon, CA	San Ramon Valley Unified	3,039	87.2%	81.7%	-5.5pp
5	San Ramon Valley High	Danville, CA	San Ramon Valley Unified	2,036	71.7%	66.7%	-5.1pp
6	Antioch High	Antioch, CA	Antioch Unified	1,776	21.4%	17.0%	-4.4pp
7	El Cerrito High	El Cerrito, CA	West Contra Costa Unified	1,460	41.6%	37.3%	-4.3pp
8	College Park High	Pleasant Hill, CA	Mt. Diablo Unified	1,948	54.4%	52.5%	-2.0pp
9	Concord High	Concord, CA	Mt. Diablo Unified	1,137	32.1%	30.1%	-2.0pp
10	Acalanes High	Lafayette, CA	Acalanes Union High	1,256	74.3%	72.8%	-1.5pp
11	Alhambra Senior High	Martinez, CA	Martinez Unified	1,028	41.3%	39.8%	-1.5pp
12	De Anza High	Richmond, CA	West Contra Costa Unified	1,047	25.9%	24.6%	-1.2pp
13	Campolindo High	Moraga, CA	Acalanes Union High	1,340	78.8%	77.8%	-1.0pp
14	Liberty High	Brentwood, CA	Liberty Union High	2,836	44.5%	44.4%	+0.0pp
15	Deer Valley High	Antioch, CA	Antioch Unified	1,812	36.1%	36.6%	+0.5pp
16	Freedom High	Oakley, CA	Liberty Union High	2,460	33.3%	33.9%	+0.5pp
17	Monte Vista High	Danville, CA	San Ramon Valley Unified	2,042	74.6%	75.5%	+0.9pp
18	Las Lomas High	Walnut Creek, CA	Acalanes Union High	1,577	62.1%	63.8%	+1.7pp
19	Hercules High	Hercules, CA	West Contra Costa Unified	767	48.8%	51.7%	+2.8pp
20	Middle College High	San Pablo, CA	West Contra Costa Unified	294	73.6%	76.8%	+3.2pp
21	California High	San Ramon, CA	San Ramon Valley Unified	2,894	64.7%	68.3%	+3.6pp
22	John F. Kennedy High	Richmond, CA	West Contra Costa Unified	740	8.3%	12.3%	+3.9pp
23	Pittsburg Senior High	Pittsburg, CA	Pittsburg Unified	3,403	25.8%	30.3%	+4.5pp
24	Heritage High	Brentwood, CA	Liberty Union High	2,566	54.8%	59.5%	+4.7pp
25	Richmond High	Richmond, CA	West Contra Costa Unified	1,280	18.9%	24.1%	+5.2pp
26	Mt. Diablo High	Concord, CA	Mt. Diablo Unified	1,397	18.4%	25.3%	+6.9pp
27	Miramonte High	Orinda, CA	Acalanes Union High	1,167	76.5%	84.3%	+7.8pp
28	Pinole Valley High	Pinole, CA	West Contra Costa Unified	1,245	33.2%	48.2%	+15.0pp

Page 1 of 1 · top 28 of 28 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Contra Costa County →

Biggest declines rankings at a wider scope

All California Nationwide

Other rankings for Contra Costa County, California

Largest Most diverse Lowest ratio Highest proficiency Fastest growing Highest poverty Lowest poverty Highest ratio Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian Best in math Best in reading Most improved Most Native American Most Pacific Islander Most multiracial Most Hispanic (count)Most Black (count)Most White (count)Most Asian (count)Most Native American (count)Most Pacific Islander (count)Most multiracial (count)Smallest Most male Most female Largest charters

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.