For the 2025-26 school year, there are 11 charter public high schools serving 7,114 students in Connecticut.
Learn more about how charter schools work. The top ranked charter public high schools in Connecticut are Explorations, Achievement First Bridgeport Academy and Amistad Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Connecticut charter public high schools have an average math proficiency score of 18% (versus the Connecticut public high school average of 32%), and reading proficiency score of 33% (versus the 53% statewide average).
Connecticut charter public high school have a Graduation Rate of 82%, which is less than the Connecticut average of 89%.
The school with highest graduation rate is Amistad Academy, with ≥95% graduation rate. Read more about public school graduation rate statistics in Connecticut or national school graduation rate statistics.
Minority enrollment is 97% of the student body (majority Black), which is more than the Connecticut public high school average of 55% (majority Hispanic).
Best Charter Public High Schools in Connecticut (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Explorations
Charter School
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
4/
Bottom 50%10
71 Spencer St.
Winsted, CT 06098
(860) 738-9070
Winsted, CT 06098
(860) 738-9070
Gr: 9-12 | 88 students Student-teacher ratio: 9:1 Minority enrollment: 35%
Rank: #22.
Achievement First Bridgeport Academy
Charter School
(Math: 24% | Reading: 43%)
Rank:
Rank:
4/
Bottom 50%10
655 Stillman St.
Bridgeport, CT 06608
(203) 338-0593
Bridgeport, CT 06608
(203) 338-0593
Gr: K-12 | 1,098 student Student-teacher ratio: 20:1 Minority enrollment: 98%
Rank: #33.
Amistad Academy
Charter School
(Math: 21% | Reading: 40%)
Rank:
Rank:
3/
Bottom 50%10
130 Edgewood Avenue
New Haven, CT 06511
(203) 772-7000
New Haven, CT 06511
(203) 772-7000
Gr: K-12 | 1,125 student Student-teacher ratio: 11:1 Minority enrollment: 99%
Rank: #44.
Achievement First Hartford Academy
Charter School
(Math: 19% | Reading: 39%)
Rank:
Rank:
3/
Bottom 50%10
305 Greenfield Street
Hartford, CT 06112
(860) 695-6685
Hartford, CT 06112
(860) 695-6685
Gr: K-12 | 961 students Student-teacher ratio: 15:1 Minority enrollment: 99%
Rank: #55.
Elm City College Preparatory School
Charter School
(Math: 18% | Reading: 39%)
Rank:
Rank:
3/
Bottom 50%10
407 James Street
New Haven, CT 06513
(203) 772-7010
New Haven, CT 06513
(203) 772-7010
Gr: K-12 | 775 students Student-teacher ratio: 17:1 Minority enrollment: 98%
Rank: #66.
Capital Preparatory Harbor School
Charter School
(Math: 18% | Reading: 26%)
Rank:
Rank:
2/
Bottom 50%10
777 Main Street
Bridgeport, CT 06604
(475) 422-5900
Bridgeport, CT 06604
(475) 422-5900
Gr: K-12 | 781 students Student-teacher ratio: 20:1
Rank: #77.
The Bridge Academy
Charter School
(Math: 15-19% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
160 Pulaski Street
Bridgeport, CT 06608
(203) 336-9999
Bridgeport, CT 06608
(203) 336-9999
Gr: 7-12 | 281 students Student-teacher ratio: 17:1 Minority enrollment: 99%
Rank: #88.
Jumoke Academy
Charter School
(Math: 16% | Reading: 23%)
Rank:
Rank:
2/
Bottom 50%10
999 Asylum Ave. Suite 200
Hartford, CT 06105
(860) 527-0575
Hartford, CT 06105
(860) 527-0575
Gr: PK-12 | 619 students Student-teacher ratio: 21:1 Minority enrollment: 99%
Rank: #99.
Great Oaks Charter School
Charter School
(Math: 12% | Reading: 22%)
Rank:
Rank:
2/
Bottom 50%10
375 Howard Avenue
Bridgeport, CT 06605
(203) 870-8188
Bridgeport, CT 06605
(203) 870-8188
Gr: 6-12 | 659 students Student-teacher ratio: 16:1 Minority enrollment: 95%
Rank: #1010.
Common Ground High School
Charter School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
358 Springside Ave.
New Haven, CT 06515
(203) 389-4333
New Haven, CT 06515
(203) 389-4333
Gr: 9-12 | 223 students Student-teacher ratio: 9:1 Minority enrollment: 84%
Rank: #1111.
Highville Charter School
Charter School
(Math: 9% | Reading: 17%)
Rank:
Rank:
1/
Bottom 50%10
1 Science Park
New Haven, CT 06511
(203) 287-0528
New Haven, CT 06511
(203) 287-0528
Gr: PK-12 | 504 students Student-teacher ratio: 19:1
Frequently Asked Questions
What are the top ranked charter public high schools in Connecticut?
The top ranked charter public high schools in Connecticut include Explorations, Achievement First Bridgeport Academy and Amistad Academy.
How many charter public high schools are located in Connecticut?
11 charter public high schools are located in Connecticut.
What is the racial composition of students in Connecticut?
Connecticut charter public high schools minority enrollment is 97% of the student body (majority Black), which is more than the Connecticut public high schools average of 55% (majority Hispanic).
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