For the 2025 school year, there are 26 catholic private high schools serving 8,761 students in Connecticut. You can also find more religiously affiliated schools in Connecticut.
The top ranked catholic private high schools in Connecticut include Notre Dame Prep of Sacred Heart University, Sacred Heart Greenwich, and Immaculate High School.
The average tuition cost is $23,148, which is lower than the Connecticut private high school average tuition cost of $42,701.
Top Ranked Catholic Private High Schools in Connecticut (2025)
School
Location
Grades
Students
73 Southern Blvd
Danbury, CT 06810
(203) 744-1510
Danbury, CT 06810
(203) 744-1510
Grades: 9-12
| 384 students
2320 Huntington Tpke
Trumbull, CT 06611
(203) 378-9378
Trumbull, CT 06611
(203) 378-9378
Grades: 9-12
| 740 students
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
Oakdale, CT 06370
(860) 823-3861
Grades: 8-12
| 162 students
Academy Of The Holy Family![Academy Of The Holy Family Photo - International Day]( "Academy Of The Holy Family Photo - International Day")
All-girls (Catholic)
54 W Main St. Box 691
Baltic, CT 06330
(860) 822-9272
Baltic, CT 06330
(860) 822-9272
Grades: 9-12
| 30 students
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.]( "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)
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3800
New Milford, CT 06776
(860) 210-3800
Grades: 9-12
| 332 students
East Catholic High School![East Catholic High School Photo]( "East Catholic High School Photo")
(Catholic)
115 New State Rd
Manchester, CT 06042
(860) 649-5336
Manchester, CT 06042
(860) 649-5336
Grades: 9-12
| 479 students
1073 N Benson Rd
Fairfield, CT 06824
(203) 254-4200
Fairfield, CT 06824
(203) 254-4200
Grades: 9-12
| 757 students
Holy Cross High School![Holy Cross High School Photo - Be A Scholar, Be A Leader, Be Holy Cross]( "Holy Cross High School Photo - Be A Scholar, Be A Leader, Be Holy Cross")
(Catholic)
587 Oronoke Rd
Waterbury, CT 06708
(203) 757-9248
Waterbury, CT 06708
(203) 757-9248
Grades: 9-12
| 413 students
33 Calhoun Pl
Bridgeport, CT 06604
(203) 334-2554
Bridgeport, CT 06604
(203) 334-2554
Grades: 9-12
| 326 students
200 High St
Milford, CT 06460
(203) 877-2786
Milford, CT 06460
(203) 877-2786
Grades: 9-12
| n/a students
Marianapolis Preparatory School![Marianapolis Preparatory School Photo]( "Marianapolis Preparatory School Photo")
(Catholic)
26 Chase Road
Thompson, CT 06277
(860) 923-9245
Thompson, CT 06277
(860) 923-9245
Grades: 9-12
| 300 students
Mercy High School
All-girls (Catholic)
1740 Randolph Road
Middletown, CT 06457
(860) 346-6659
Middletown, CT 06457
(860) 346-6659
Grades: 9-12
| 375 students
29 Wampanoag Drive
West Hartford, CT 06117
(860) 236-4221
West Hartford, CT 06117
(860) 236-4221
Grades: 9-12
| 444 students
24 Ricardo St
West Haven, CT 06516
(203) 937-3217
West Haven, CT 06516
(203) 937-3217
Grades: 9-12
| 518 students
220 Jefferson St
Fairfield, CT 06825
(203) 372-6521
Fairfield, CT 06825
(203) 372-6521
Grades: 9-12
| 506 students
Sacred Heart Academy![Sacred Heart Academy Photo - Students learn to work with many painting media such as acrylic, oil, and watercolor in this course that covers painting, design and visual concepts.]( "Sacred Heart Academy Photo - Students learn to work with many painting media such as acrylic, oil, and watercolor in this course that covers painting, design and visual concepts.")
All-girls (Catholic)
265 Benham St
Hamden, CT 06514
(203) 288-2309
Hamden, CT 06514
(203) 288-2309
Grades: 9-12
| 354 students
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Greenwich, CT 06831
(609) 261-2273
Grades: PK-12
| 680 students
Sacred Heart H. S.![Sacred Heart H. S. Photo - Sacred Heart High School]( "Sacred Heart H. S. Photo - Sacred Heart High School")
(Catholic)
142 S Elm Street
Waterbury, CT 06706
(203) 753-1605
Waterbury, CT 06706
(203) 753-1605
Grades: 9-12
| 300 students
St. Bernard School![St. Bernard School Photo - Saint Bernard School XBSS leaders.]( "St. Bernard School Photo - Saint Bernard School XBSS leaders.")
(Catholic)
1593 Norwich New London Tpke
Uncasville, CT 06382
(860) 848-1271
Uncasville, CT 06382
(860) 848-1271
Grades: 6-12
| 410 students
St. Paul Catholic High School![St. Paul Catholic High School Photo - Respect Life Mass 2023]( "St. Paul Catholic High School Photo - Respect Life Mass 2023")
(Catholic)
1001 Stafford Ave
Bristol, CT 06010
(860) 584-0911
Bristol, CT 06010
(860) 584-0911
Grades: 9-12
| 400 students
181 Randolph Rd
Middletown, CT 06457
(860) 346-7735
Middletown, CT 06457
(860) 346-7735
Grades: 9-12
| 600 students
1678 Asylum Ave
West Hartford, CT 06117
(860) 232-5616
West Hartford, CT 06117
(860) 232-5616
Grades: 1-12
| 144 students
St. Catherine Academy
Special Education School (Catholic)
760 Tahmore Dr
Fairfield, CT 06825
(203) 540-5381
Fairfield, CT 06825
(203) 540-5381
Grades: 5-12
| 13 students
47 Long Lots Rd
Westport, CT 06880
(203) 341-4506
Westport, CT 06880
(203) 341-4506
Grades: 7-12
| 18 students
Villa Maria School![Villa Maria School Photo - Spring at Villa Maria School, Stamford CT]( "Villa Maria School Photo - Spring at Villa Maria School, Stamford CT")
Special Education School (Catholic)
161 Sky Meadow Drive
Stamford, CT 06903
(203) 322-5886
Stamford, CT 06903
(203) 322-5886
Grades: K-9
| 61 students
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