For the 2025 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 Achievement First Hartford 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 33%), and reading proficiency score of 33% (versus the 53% statewide average).
Connecticut charter public high school have a Graduation Rate of 86%, which is less than the Connecticut average of 90%.
The school with highest graduation rate is Achievement First Bridgeport Academy, with 90-94% 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)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Explorations
Charter School
(Math: 21-39% | Reading: 40-59%)
Rank:
Rank:
4/
Bottom 50%10
71 Spencer St.
Winsted, CT 06098
(860) 738-9070
Winsted, CT 06098
(860) 738-9070
Grades: 9-12
| 88 students
Rank: #22.
Achievement First Bridgeport Academy
Charter School
(Math: 26% | Reading: 43%)
Rank:
Rank:
4/
Bottom 50%10
655 Stillman St.
Bridgeport, CT 06608
(203) 338-0593
Bridgeport, CT 06608
(203) 338-0593
Grades: K-12
| 1,098 students
Rank: #33.
Achievement First Hartford Academy
Charter School
(Math: 24% | Reading: 39%)
Rank:
Rank:
3/
Bottom 50%10
305 Greenfield Street
Hartford, CT 06112
(860) 695-6685
Hartford, CT 06112
(860) 695-6685
Grades: K-12
| 961 students
Rank: #44.
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
Grades: K-12
| 1,125 students
Rank: #55.
Elm City College Preparatory School
Charter School
(Math: 17% | 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
Grades: K-12
| 775 students
Rank: #66.
Jumoke Academy
Charter School
(Math: 18% | 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
Grades: PK-12
| 619 students
Rank: #77.
Capital Preparatory Harbor School
Charter School
(Math: 13% | Reading: 26%)
Rank:
Rank:
2/
Bottom 50%10
777 Main Street
Bridgeport, CT 06604
(475) 422-5900
Bridgeport, CT 06604
(475) 422-5900
Grades: K-12
| 781 students
Rank: #88.
The Bridge Academy
Charter School
(Math: 10-14% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
160 Pulaski Street
Bridgeport, CT 06608
(203) 336-9999
Bridgeport, CT 06608
(203) 336-9999
Grades: 7-12
| 281 students
Rank: #99.
Common Ground High School
Charter School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
358 Springside Ave.
New Haven, CT 06515
(203) 389-4333
New Haven, CT 06515
(203) 389-4333
Grades: 9-12
| 223 students
Rank: #1010.
Great Oaks Charter School
Charter School
(Math: 10% | Reading: 22%)
Rank:
Rank:
1/
Bottom 50%10
375 Howard Avenue
Bridgeport, CT 06605
(203) 870-8188
Bridgeport, CT 06605
(203) 870-8188
Grades: 6-12
| 659 students
Rank: #1111.
Highville Charter School
Charter School
(Math: 6% | 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
Grades: PK-12
| 504 students
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 Achievement First Hartford 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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