For the 2026 school year, there are 85 public middle schools serving 44,692 students in Contra Costa County, CA. The top-ranked public middle schools in Contra Costa County, CA are Windemere Ranch Middle School, Orinda Intermediate and M. H. Stanley Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Contra Costa County, CA public middle schools have an average math proficiency score of 37% (versus the California public middle school average of 32%), and reading proficiency score of 50% (versus the 46% statewide average). Middle schools in Contra Costa County have an average ranking of 8/10, which is in the top 30% of California public middle schools.
Minority enrollment is 78% of the student body (majority Hispanic), which is equal to the California public middle school average of 78% (majority Hispanic).
Best Public Middle Schools in Contra Costa County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Windemere Ranch Middle School
(Math: 81% | Reading: 87%)
Rank:
Rank:
10/
Top 5%10
11611 East Branch Pkwy.
San Ramon, CA 94582
(925) 479-7400
San Ramon, CA 94582
(925) 479-7400
Gr: 6-8 | 1,011 student Student-teacher ratio: 24:1 Minority enrollment: 94%
Rank: #22.
Orinda Intermediate
(Math: 77% | Reading: 89%)
Rank:
Rank:
10/
Top 5%10
80 Ivy Dr.
Orinda, CA 94563
(925) 258-3090
Orinda, CA 94563
(925) 258-3090
Gr: 6-8 | 822 students Student-teacher ratio: 19:1 Minority enrollment: 47%
Rank: #33.
M. H. Stanley Middle School
(Math: 77% | Reading: 82%)
Rank:
Rank:
10/
Top 5%10
3455 School St.
Lafayette, CA 94549
(925) 927-3530
Lafayette, CA 94549
(925) 927-3530
Gr: 6-8 | 1,117 student Student-teacher ratio: 19:1 Minority enrollment: 44%
Rank: #44.
Gale Ranch Middle School
(Math: 74% | Reading: 84%)
Rank:
Rank:
10/
Top 5%10
6400 Main Branch Rd.
San Ramon, CA 94582
(925) 479-1500
San Ramon, CA 94582
(925) 479-1500
Gr: 6-8 | 971 students Student-teacher ratio: 23:1 Minority enrollment: 92%
Rank: #55.
Diablo Vista Middle School
(Math: 75% | Reading: 82%)
Rank:
Rank:
10/
Top 5%10
4100 Camino Tassajara
Danville, CA 94506
(925) 855-7600
Danville, CA 94506
(925) 855-7600
Gr: 6-8 | 835 students Student-teacher ratio: 23:1 Minority enrollment: 73%
Rank: #66.
Joaquin Moraga Intermediate
(Math: 72% | Reading: 82%)
Rank:
Rank:
10/
Top 5%10
1010 Camino Pablo
Moraga, CA 94556
(925) 376-7206
Moraga, CA 94556
(925) 376-7206
Gr: 6-8 | 658 students Student-teacher ratio: 22:1 Minority enrollment: 55%
Rank: #77.
Tice Creek
(Math: 73% | Reading: 79%)
Rank:
Rank:
10/
Top 10%10
1847 Newell Ave.
Walnut Creek, CA 94595
(925) 746-5515
Walnut Creek, CA 94595
(925) 746-5515
Gr: K-8 | 451 students Student-teacher ratio: 21:1 Minority enrollment: 56%
Rank: #88.
Pine Valley Middle School
(Math: 66% | Reading: 79%)
Rank:
Rank:
10/
Top 10%10
3000 Pine Valley Rd.
San Ramon, CA 94583
(925) 479-7700
San Ramon, CA 94583
(925) 479-7700
Gr: 6-8 | 973 students Student-teacher ratio: 25:1 Minority enrollment: 70%
Rank: #99.
Iron Horse Middle School
(Math: 63% | Reading: 78%)
Rank:
Rank:
10/
Top 10%10
12601 Alcosta Blvd.
San Ramon, CA 94583
(925) 824-2820
San Ramon, CA 94583
(925) 824-2820
Gr: 6-8 | 939 students Student-teacher ratio: 22:1 Minority enrollment: 80%
Rank: #1010.
Los Cerros Middle School
(Math: 58% | Reading: 78%)
Rank:
Rank:
10/
Top 10%10
968 Blemer Rd.
Danville, CA 94526
(925) 855-6800
Danville, CA 94526
(925) 855-6800
Gr: 6-8 | 486 students Student-teacher ratio: 20:1 Minority enrollment: 39%
Rank: #1111.
Charlotte Wood Middle School
(Math: 57% | Reading: 72%)
Rank:
Rank:
9/
Top 20%10
600 El Capitan Dr.
Danville, CA 94526
(925) 855-4400
Danville, CA 94526
(925) 855-4400
Gr: 6-8 | 853 students Student-teacher ratio: 23:1 Minority enrollment: 45%
Rank: #1212.
Stone Valley Middle School
(Math: 62% | Reading: 69%)
Rank:
Rank:
9/
Top 20%10
3001 Miranda Ave.
Alamo, CA 94507
(925) 855-5800
Alamo, CA 94507
(925) 855-5800
Gr: 6-8 | 586 students Student-teacher ratio: 22:1 Minority enrollment: 37%
Rank: #1313.
Foothill Middle School
(Math: 60% | Reading: 69%)
Rank:
Rank:
9/
Top 20%10
2775 Cedro Ln.
Walnut Creek, CA 94598
(925) 939-8600
Walnut Creek, CA 94598
(925) 939-8600
Gr: 6-8 | 1,005 student Student-teacher ratio: 26:1 Minority enrollment: 56%
Rank: #1414.
Eagle Peak Montessori
Charter School
(Math: 50-54% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
800 Hutchinson Rd.
Walnut Creek, CA 94598
(925) 946-0994
Walnut Creek, CA 94598
(925) 946-0994
Gr: 1-8 | 301 students Student-teacher ratio: 30:1 Minority enrollment: 66%
Rank: #1515.
Walnut Creek Intermediate
(Math: 57% | Reading: 68%)
Rank:
Rank:
9/
Top 20%10
2425 Walnut Blvd.
Walnut Creek, CA 94597
(925) 944-6840
Walnut Creek, CA 94597
(925) 944-6840
Gr: 6-8 | 940 students Student-teacher ratio: 22:1 Minority enrollment: 52%
Rank: #1616.
Canyon Elementary School
(Math: 50-59% | Reading: 60-69%)
Rank:
Rank:
9/
Top 20%10
187 Pinehurst Rd., Po Box 187
Canyon, CA 94516
(925) 376-4671
Canyon, CA 94516
(925) 376-4671
Gr: K-8 | 68 students Student-teacher ratio: 34:1 Minority enrollment: 34%
Rank: #1717.
Adams (J. Douglas) Middle School
(Math: 52% | Reading: 64%)
Rank:
Rank:
9/
Top 20%10
401 American Ave.
Brentwood, CA 94513
(925) 513-6480
Brentwood, CA 94513
(925) 513-6480
Gr: 6-8 | 1,197 student Student-teacher ratio: 24:1 Minority enrollment: 77%
Rank: #1818.
Venture (Alternative)
Alternative School
(Math: 40-49% | Reading: 74%)
Rank:
Rank:
9/
Top 20%10
10540 Albion Rd.
San Ramon, CA 94582
(925) 479-1200
San Ramon, CA 94582
(925) 479-1200
Gr: K-12 | 61 students Student-teacher ratio: 6:1 Minority enrollment: 48%
Rank: #1919.
Old River Elementary School
(Math: 45-49% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
30 Learning Ln.
Knightsen, CA 94548
(925) 626-3330
Knightsen, CA 94548
(925) 626-3330
Gr: K-8 | 332 students Student-teacher ratio: 22:1 Minority enrollment: 54%
Rank: #2020.
Diablo View Middle School
(Math: 46% | Reading: 61%)
Rank:
Rank:
8/
Top 30%10
300 Diablo View Ln.
Clayton, CA 94517
(925) 672-0898
Clayton, CA 94517
(925) 672-0898
Gr: 6-8 | 514 students Student-teacher ratio: 23:1 Minority enrollment: 50%
Rank: #2121.
Sunrise (Special Education)
Special Education School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
1861 Silverwood Dr.
Concord, CA 94519
(925) 687-0202
Concord, CA 94519
(925) 687-0202
Gr: K-8 | 18 students Student-teacher ratio: 6:1 Minority enrollment: 78%
Rank: #2222.
Sequoia Middle School
(Math: 45% | Reading: 53%)
Rank:
Rank:
8/
Top 30%10
265 Boyd Rd.
Pleasant Hill, CA 94523
(925) 934-8174
Pleasant Hill, CA 94523
(925) 934-8174
Gr: 6-8 | 882 students Student-teacher ratio: 26:1 Minority enrollment: 75%
Rank: #2323.
West County Mandarin
(Math: 50-54% | Reading: 45-49%)
Rank:
Rank:
8/
Top 30%10
1575 Mann Dr.
Pinole, CA 94564
(510) 231-1453
Pinole, CA 94564
(510) 231-1453
Gr: K-8 | 528 students Student-teacher ratio: 23:1 Minority enrollment: 92%
Rank: #2424.
Harbour Way Elementary Community Day
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
1121 Allview Ave.
El Sobrante, CA 94803
(510) 231-1438
El Sobrante, CA 94803
(510) 231-1438
Gr: K-8
Rank: #25 - 2625. - 26.
Central County Special Education Programs
Special Education School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
2964 Miranda Ave.
Alamo, CA 94507
(925) 837-6007
Alamo, CA 94507
(925) 837-6007
Gr: K-12 | 15 students Student-teacher ratio: 8:1 Minority enrollment: 93%
Rank: #25 - 2625. - 26.
Crossroads High School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
2701 Willow Pass Rd.
Concord, CA 94519
(925) 689-6852
Concord, CA 94519
(925) 689-6852
Gr: 7-12 | 12 students Student-teacher ratio: 6:1 Minority enrollment: 91%
Rank: #2727.
William B. Bristow Middle School
(Math: 36% | Reading: 52%)
Rank:
Rank:
7/
Top 50%10
855 Minnesota Ave.
Brentwood, CA 94513
(925) 513-6460
Brentwood, CA 94513
(925) 513-6460
Gr: 6-8 | 1,223 student Student-teacher ratio: 24:1 Minority enrollment: 66%
Rank: #2828.
Horizons School Independent Study
Alternative School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
1 Santa Barbara Rd.
Pleasant Hill, CA 94523
(925) 682-8000
Pleasant Hill, CA 94523
(925) 682-8000
Gr: K-12 | 182 students Student-teacher ratio: 11:1 Minority enrollment: 68%
Rank: #2929.
Valley View Middle School
(Math: 35% | Reading: 50%)
Rank:
Rank:
7/
Top 50%10
181 Viking Dr.
Pleasant Hill, CA 94523
(925) 686-6136
Pleasant Hill, CA 94523
(925) 686-6136
Gr: 6-8 | 819 students Student-teacher ratio: 24:1 Minority enrollment: 68%
Rank: #3030.
Richmond College Preparatory
Charter School
(Math: 38% | Reading: 48%)
Rank:
Rank:
7/
Top 50%10
214 South 11th St.
Richmond, CA 94802
(510) 235-2066
Richmond, CA 94802
(510) 235-2066
Gr: K-8 | 560 students Student-teacher ratio: 35:1
Rank: #3131.
Briones (Alternative)
Alternative School
(Math: ≤20% | Reading: 70-79%)
Rank:
Rank:
7/
Top 50%10
925 Susana St.
Martinez, CA 94553
(925) 335-5800
Martinez, CA 94553
(925) 335-5800
Gr: K-12 | 48 students Student-teacher ratio: 24:1 Minority enrollment: 48%
Rank: #3232.
Antioch Charter Academy Ii
Charter School
(Math: 35-39% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
1201 West Tenth St.
Antioch, CA 94509
(925) 755-1252
Antioch, CA 94509
(925) 755-1252
Gr: K-8 | 204 students Student-teacher ratio: 20:1 Minority enrollment: 76%
Rank: #3333.
Martinez Junior High School
(Math: 35% | Reading: 48%)
Rank:
Rank:
7/
Top 50%10
1600 Ct. St.
Martinez, CA 94553
(925) 335-5820
Martinez, CA 94553
(925) 335-5820
Gr: 6-8 | 843 students Student-teacher ratio: 23:1 Minority enrollment: 56%
Rank: #3434.
Hercules Middle School
(Math: 32% | Reading: 49%)
Rank:
Rank:
7/
Top 50%10
1900 Refugio Valley Rd.
Hercules, CA 94547
(510) 231-1429
Hercules, CA 94547
(510) 231-1429
Gr: 6-8 | 596 students Student-teacher ratio: 25:1 Minority enrollment: 93%
Rank: #3535.
Mountain House Elementary School
(Math: 21-39% | Reading: ≥50%)
Rank:
Rank:
7/
Top 50%10
3950 Mountain House Rd.
Byron, CA 94514
(209) 835-2283
Byron, CA 94514
(209) 835-2283
Gr: K-8 | 14 students Student-teacher ratio: 14:1 Minority enrollment: 79%
Frequently Asked Questions
What are the top-ranked public middle schools in Contra Costa County, CA?
The top-ranked public middle schools in Contra Costa County, CA include Windemere Ranch Middle School, Orinda Intermediate and M. H. Stanley Middle School. Contra Costa County has one of the highest concentrations of top-ranked public schools in California.
How many public middle schools are located in Contra Costa County?
84 public middle schools are located in Contra Costa County.
What is the racial composition of students in Contra Costa County?
Contra Costa County public middle schools minority enrollment is 78% of the student body (majority Hispanic), which is equal to the California public middle schools average of 78% (majority Hispanic).
Which public middle schools in Contra Costa County are often viewed compared to one another?
Popular comparisons of public middle schools in Contra Costa County include: Gale Ranch Middle School vs. Windemere Ranch Middle School, Pine Valley Middle School vs. Iron Horse Middle School, Windemere Ranch Middle School vs. Gale Ranch Middle School
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