Hamden Hall Country Day School Photo - Between 15 and 20 percent of our graduating student-athletes compete at the collegiate Division I, II and III levels.

Average Private High School ACT Scores in Connecticut

The averageprivate high school ACT score in Connecticut is 28 (2025).
The private high school in Connecticut with the highest ACT score is Choate Rosemary Hall, with an ACT score of 32.
Act Score Range: 22 32 Avg. Act Score: 28

Average Private High School ACT Scores in Connecticut (2025)

School
ACT Score
Grades
Location
Rank: #1 - 21. - 2.
Choate Rosemary Hall
Choate Rosemary Hall Photo - A community like no other, Choate is a place where you never have to do it alone. Advisers, peers, and the entire community are bonded by mutual respect, a passion for learning, and a spirit of supporting and challenging one another:
ACT Score: 32
Grades: 9-12
333 Christian Street
Wallingford, CT 06492
(203) 697-2000
Rank: #1 - 21. - 2.
Hopkins School
Hopkins School Photo - Hopkins is a grade 7-12 grade gender-inclusive learning community located on 108 acres overlooking New Haven.
(6)
ACT Score: 32
Grades: 7-12
986 Forest Road
New Haven, CT 06515
(203) 397-1001
Rank: #3 - 43. - 4.
ACT Score: 31
Grades: 9-12
220 Jefferson St
Fairfield, CT 06825
(203) 372-6521
Rank: #3 - 43. - 4.
Westover School
Westover School Photo
All-girls
(2)
ACT Score: 31
Grades: 9-12
1237 Whittemore Road
Middlebury, CT 06762
(203) 577-4521
Rank: #5 - 65. - 6.
Hamden Hall Country Day School
Hamden Hall Country Day School Photo - Between 15 and 20 percent of our graduating student-athletes compete at the collegiate Division I, II and III levels.
(Christian)
(4)
ACT Score: 30
Grades: NS-12
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
Rank: #5 - 65. - 6.
St. Luke's School
St. Luke's School Photo - An aerial view of the St. Luke's 40-acre campus in New Canaan, CT.
ACT Score: 30
Grades: 5-12
377 North Wilton Road
New Canaan, CT 06840
(203) 801-4833
Rank: #7 - 97. - 9.
Kingswood Oxford School
Kingswood Oxford School Photo - Our mission and core values are the grounding force within our school, its very soul. Our mission is why we are here. Our values are what we do. Ask any KO student about the core value that resonates with them the most, and you`ll get thoughtful and meaningful answers. 'Care beyond self' always tops the list.
(1)
ACT Score: 29
Grades: 6-12
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
Rank: #7 - 97. - 9.
Marvelwood School
Marvelwood School Photo - Our beautiful 83-acre campus is located in Kent, Connecticut. We welcome you to visit.
(2)
ACT Score: 29
Grades: 9-12
476 Skiff Mountain Road
Kent, CT 06757
(860) 927-0047
Rank: #7 - 97. - 9.
St. Joseph High School
St. Joseph High School Photo - At St. Joseph High School, students SEEK out their talents, STRIVE for greatness, SERVE the common good, and THRIVE with confidence.
(Catholic)
(4)
ACT Score: 29
Grades: 9-12
2320 Huntington Tpke
Trumbull, CT 06611
(203) 378-9378
Rank: #10 - 1210. - 12.
Christian Heritage School
Christian Heritage School Photo - CHS Kindergarten is reputed to have one of the highest quality programs in all of Fairfield County. Small classes, with a supportive and engaging environment are what gives young children their educational advantage.
(Christian)
(21)
ACT Score: 27
Grades: K-12
575 White Plains Rd
Trumbull, CT 06611
(203) 261-6230
Rank: #10 - 1210. - 12.
Salisbury School
Salisbury School Photo
All-boys (Episcopal)
(2)
ACT Score: 27
Grades: 9-12
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
Rank: #10 - 1210. - 12.
The Williams School
The Williams School Photo
(5)
ACT Score: 27
Grades: 6-12
182 Mohegan Avenue
New London, CT 06320
(860) 443-5333
Rank: #13 - 1413. - 14.
Canterbury School
Canterbury School Photo - At Canterbury School, a balanced educational experience integrates academic achievement, personal growth, and community engagement. As a welcoming interfaith community, Canterbury fosters a sense of belonging, providing passionate educators and transformative opportunities that guide you toward your fullest potential. This is what makes Canterbury School more than just a place to learn-it's a place to become your best self.
(Catholic)
ACT Score: 26
Grades: 9-12
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3800
Rank: #13 - 1413. - 14.
The Ethel Walker School
The Ethel Walker School Photo
All-girls
ACT Score: 26
Grades: 6-12
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Rank: #15 - 1615. - 16.
ACT Score: 25
Grades: 9-12
285 Lafayette Street
Bridgeport, CT 06604
(203) 334-3434
Rank: #15 - 1615. - 16.
Cheshire Academy
Cheshire Academy Photo - Character development has long been a priority at Cheshire Academy. The Eight Pillars of Bowden are the ways in which we demonstrate our core values and basic beliefs: Respect, Responsibility, Caring, Civility, Citizenship, Morality, Fairness and Trustworthiness.
ACT Score: 25
Grades: 9-12
10 Main St
Cheshire, CT 06410
(203) 439-7250
Rank: #1717.
Watkinson School
Watkinson School Photo - 225 students from 43 towns, reflecting a wide range of academic, personal and socioeconomic backgrounds. Faculty includes 43 teachers, 26 of whom hold master's degrees or above. Student-teacher ratio 6:1. Average class size 14
(2)
ACT Score: 24
Grades: 6-12
180 Bloomfield Avenue
Hartford, CT 06105
(860) 236-5618
Rank: #1818.
The Master's School
The Master's School Photo - Comprehensive Art Program
(Christian)
(4)
ACT Score: 22
Grades: PK-12
36 Westledge Rd
West Simsbury, CT 06092
(860) 651-9361

Frequently Asked Questions

What is the Connecticut average private high schools ACT score?
The Connecticut average private high schools ACT score is 28 for 2025.
What are the private high schools with the highest ACT score in Connecticut?
The top ranked private schools in Connecticut include Choate Rosemary Hall, Hopkins School and Notre Dame Prep of Sacred Heart University.

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