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

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

42 public middle schools in Contra Costa County, California appear in this ranking of the public middle schools with the biggest test-score declines, ranked by the 3-year drop in composite math + reading proficiency. Rancho Medanos Junior High leads the list at -6.1pp, against a median of +3.5pp across the ranked schools.

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Schools ranked

Contra Costa County, California

Best 3-yr change

-6.1pp

Median 3-yr change

+3.5pp

BIGGEST DECLINES · CONTRA COSTA COUNTY, CALIFORNIA

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Rancho Medanos Junior High	Pittsburg, CA	Pittsburg Unified	812	28.6%	22.5%	-6.1pp
2	Betty Reid Soskin Middle	El Sobrante, CA	West Contra Costa Unified	372	20.2%	15.5%	-4.7pp
3	M. H. Stanley Middle	Lafayette, CA	Lafayette Elementary	1,117	79.8%	76.4%	-3.4pp
4	Park Middle	Antioch, CA	Antioch Unified	1,055	19.0%	15.9%	-3.1pp
5	Lovonya DeJean Middle	Richmond, CA	West Contra Costa Unified	381	10.0%	7.0%	-2.9pp
6	O'Hara Park Middle	Oakley, CA	Oakley Union Elementary	856	26.9%	25.2%	-1.7pp
7	Riverview Middle	Bay Point, CA	Mt. Diablo Unified	682	16.6%	15.2%	-1.5pp
8	William B. Bristow Middle	Brentwood, CA	Brentwood Union	1,223	41.9%	41.1%	-0.8pp
9	Martin Luther King Jr. Junior High	Pittsburg, CA	Pittsburg Unified	706	24.8%	24.2%	-0.6pp
10	Dallas Ranch Middle	Antioch, CA	Antioch Unified	795	20.9%	20.3%	-0.5pp
11	Hillview Junior High	Pittsburg, CA	Pittsburg Unified	893	21.7%	21.2%	-0.5pp
12	Windemere Ranch Middle	San Ramon, CA	San Ramon Valley Unified	1,011	84.2%	83.8%	-0.4pp
13	Joaquin Moraga Intermediate	Moraga, CA	Moraga Elementary	658	76.9%	77.9%	+1.0pp
14	Orinda Intermediate	Orinda, CA	Orinda Union	822	82.3%	83.6%	+1.2pp
15	Diablo Vista Middle	Danville, CA	San Ramon Valley Unified	835	79.4%	80.9%	+1.5pp
16	Black Diamond Middle	Antioch, CA	Antioch Unified	358	13.0%	14.8%	+1.8pp
17	Delta Vista Middle	Oakley, CA	Oakley Union Elementary	873	23.3%	25.3%	+1.9pp
18	Helms Middle	San Pablo, CA	West Contra Costa Unified	558	6.8%	8.9%	+2.1pp
19	Antioch Middle	Antioch, CA	Antioch Unified	665	8.9%	11.1%	+2.3pp
20	Gale Ranch Middle	San Ramon, CA	San Ramon Valley Unified	971	79.4%	82.0%	+2.6pp
21	Los Cerros Middle	Danville, CA	San Ramon Valley Unified	486	70.1%	73.5%	+3.4pp
22	Pinole Middle	Pinole, CA	West Contra Costa Unified	381	24.4%	27.8%	+3.5pp
23	Sequoia Middle	Pleasant Hill, CA	Mt. Diablo Unified	882	46.7%	50.8%	+4.1pp
24	El Dorado Middle	Concord, CA	Mt. Diablo Unified	861	17.4%	21.6%	+4.2pp
25	Pine Hollow Middle	Concord, CA	Mt. Diablo Unified	538	35.8%	40.4%	+4.6pp
26	Fred T. Korematsu Middle	El Cerrito, CA	West Contra Costa Unified	708	38.3%	43.0%	+4.7pp
27	Valley View Middle	Pleasant Hill, CA	Mt. Diablo Unified	819	44.4%	49.1%	+4.8pp
28	Walnut Creek Intermediate	Walnut Creek, CA	Walnut Creek Elementary	940	62.3%	67.6%	+5.3pp
29	Foothill Middle	Walnut Creek, CA	Mt. Diablo Unified	1,005	63.0%	68.4%	+5.5pp
30	Oak Grove Middle	Concord, CA	Mt. Diablo Unified	681	9.9%	15.9%	+6.1pp
31	Pine Valley Middle	San Ramon, CA	San Ramon Valley Unified	973	71.4%	78.0%	+6.5pp
32	Hercules Middle	Hercules, CA	West Contra Costa Unified	596	38.8%	45.3%	+6.6pp
33	Adams (J. Douglas) Middle	Brentwood, CA	Brentwood Union	1,197	55.8%	62.5%	+6.7pp
34	Excelsior Middle	Byron, CA	Byron Union Elementary	377	34.9%	42.0%	+7.1pp
35	Iron Horse Middle	San Ramon, CA	San Ramon Valley Unified	939	71.2%	78.9%	+7.6pp
36	Stone Valley Middle	Alamo, CA	San Ramon Valley Unified	586	63.3%	71.0%	+7.7pp
37	Pleasant Hill Middle	Pleasant Hill, CA	Mt. Diablo Unified	738	44.9%	52.7%	+7.9pp
38	Carquinez Middle	Crockett, CA	John Swett Unified	286	17.1%	25.3%	+8.2pp
39	Edna Hill Middle	Brentwood, CA	Brentwood Union	1,047	40.3%	50.0%	+9.7pp
40	Charlotte Wood Middle	Danville, CA	San Ramon Valley Unified	853	63.6%	73.6%	+10.0pp
41	Martinez Junior High	Martinez, CA	Martinez Unified	843	39.6%	52.8%	+13.2pp
42	Diablo View Middle	Clayton, CA	Mt. Diablo Unified	514	53.0%	67.1%	+14.2pp

Page 1 of 1 · top 42 of 42 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.