St. James School Photo

Best Connecticut Catholic Private Schools (2025-26)

For the 2025-26 school year, there are 99 catholic private schools serving 23,675 students in Connecticut. You can also find more religiously affiliated schools in Connecticut.
The top ranked catholic private schools in Connecticut include All Saints Catholic School, Notre Dame Prep of Sacred Heart University, and Immaculate High School.
The average tuition cost is $12,569, which is lower than the Connecticut private school average tuition cost of $28,253.

Top Ranked Catholic Private Schools in Connecticut (2025-26)

School
Location
Quick Facts
Immaculate High School
Immaculate High School Photo - Students studying / socializing together in our Learning Commons
(Catholic)
(11)
73 Southern Blvd
Danbury, CT 06810
(203) 744-1510
Gr: 9-12 | 384 students Avg. class size: 15 students Sports: 17 | Extracurrculars: 25 Tuition & acceptance rate listed
St. Joseph High School
St. Joseph High School Photo - St Joseph High School, Trumbull CT
(Catholic)
(4)
2320 Huntington Tpke
Trumbull, CT 06611
(203) 378-9378
Gr: 9-12 | 678 students Avg. class size: 15 students Sports: 21 | Extracurrculars: 35 Tuition listed
Academy Of The Holy Family
Academy Of The Holy Family Photo - International Day
All-girls (Catholic)
54 W Main St. Box 691
Baltic, CT 06330
(860) 822-9272
Gr: 9-12 | 30 students Avg. class size: 8 students Sports: 3 | Extracurrculars: 13 Tuition & acceptance rate listed
All Saints Catholic School
(Catholic)
139 W Rocks Rd
Norwalk, CT 06851
(203) 847-3881
Gr: PK-8 | 560 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 1 Tuition & acceptance rate listed
Assumption Catholic School
Assumption Catholic School Photo
(Catholic)
(1)
605 Stratfield Rd
Fairfield, CT 06825
(203) 334-6271
Gr: PK-8 | 200 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 3 Tuition & acceptance rate listed
Assumption School
(Catholic)
51 N Cliff St
Ansonia, CT 06401
(203) 734-0855
Gr: PK-8 | 191 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.
(Catholic)
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3800
Gr: 9-12 | 332 students Avg. class size: 12 students Sports: 18 | Extracurrculars: 18 Tuition & acceptance rate listed
The Catholic Academy Of Stamford
(Catholic)
1186 Newfield Ave
Stamford, CT 06905
(203) 322-6505
Gr: PK-8 | 253 students
Corpus Christi School
(Catholic)
(1)
581 Silas Deane Hwy
Wethersfield, CT 06109
(860) 529-5487
Gr: PK-8 | 379 students Tuition listed
East Catholic High School
East Catholic High School Photo
(Catholic)
115 New State Rd
Manchester, CT 06042
(860) 649-5336
Gr: 9-12 | 479 students Avg. class size: 23 students Sports: 19 Tuition & acceptance rate listed
Fairfield College Preparatory
All-boys (Catholic)
(1)
1073 N Benson Rd
Fairfield, CT 06824
(203) 254-4200
Gr: 9-12 | 757 students
Greenwich Catholic School
Greenwich Catholic School Photo - Rooted in Faith. Surrounded by Community. Committed to Excellence.
(Catholic)
(2)
471 North Street
Greenwich, CT 06830
(203) 869-4000
Gr: PK-8 | 372 students Avg. class size: 20 students Sports: 12 | Extracurrculars: 29 Tuition & acceptance rate listed
Holy Cross High School
Holy Cross High School Photo - Be A Scholar, Be A Leader, Be Holy Cross
(Catholic)
587 Oronoke Rd
Waterbury, CT 06708
(203) 757-9248
Gr: 9-12 | 413 students Avg. class size: 20 students Sports: 17 | Extracurrculars: 37 Tuition listed
Holy Family School
(Catholic)
55 Rosemond Terrace
Trumbull, CT 06611
(203) 268-3236
Gr: PK-8 | 255 students Avg. class size: 15 students Sports: 2 Tuition & acceptance rate listed
Holy Trinity Catholic Academy
(Catholic)
503 Shelton Ave
Shelton, CT 06484
(203) 929-4422
Gr: PK-8 | 204 students Avg. class size: 16 students Sports: 4 Tuition & acceptance rate listed
Holy Trinity Catholic Middle School
Holy Trinity Catholic Middle School Photo
(Catholic)
(1)
948 Newfield Avenue
Stamford, CT 06905
(704) 527-7822
Gr: 6-8 | 723 students
Holy Trinity School
(Catholic)
11 N Whittlesey Ave
Wallingford, CT 06492
(203) 269-4477
Gr: PK-8 | 216 students Avg. class size: 15 students Tuition & acceptance rate listed
Kolbe Cathedral High School
Kolbe Cathedral High School Photo
(Catholic)
(2)
33 Calhoun Pl
Bridgeport, CT 06604
(203) 334-2554
Gr: 9-12 | 326 students Avg. class size: 22 students Sports: 9 | Extracurrculars: 4 Tuition & acceptance rate listed
Lauralton Hall
Lauralton Hall Photo
All-girls (Catholic)
(3)
200 High St
Milford, CT 06460
(203) 877-2786
Gr: 9-12 Avg. class size: 15 students Sports: 16 | Extracurrculars: 13 Tuition listed
Marianapolis Preparatory School
Marianapolis Preparatory School Photo
(Catholic)
26 Chase Road
Thompson, CT 06277
(860) 923-9245
Gr: 9-12 Avg. class size: 15 students Sports: 16 | Extracurrculars: 34 Tuition listed
Mercy High School
Mercy High School Photo
All-girls (Catholic)
1740 Randolph Road
Middletown, CT 06457
(860) 346-6659
Gr: 9-12 | 394 students Avg. class size: 21 students Sports: 17 Tuition & acceptance rate listed
Northwest Catholic High School
Northwest Catholic High School Photo
(Catholic)
(3)
29 Wampanoag Drive
West Hartford, CT 06117
(860) 236-4221
Gr: 9-12 | 444 students Avg. class size: 18 students Sports: 17 | Extracurrculars: 20 Tuition listed
Notre Dame High School
All-boys (Catholic)
(1)
24 Ricardo St
West Haven, CT 06516
(203) 937-3217
Gr: 9-12 | 518 students Avg. class size: 15 students Tuition & acceptance rate listed
220 Jefferson St
Fairfield, CT 06825
(203) 372-6521
Gr: 9-12 | 506 students Avg. class size: 18 students Sports: 22 | Extracurrculars: 18 Tuition & acceptance rate listed
20 Island Avenue
Madison, CT 06443
(203) 689-5101
Gr: K-8 | 128 students Avg. class size: 12 students Sports: 14 | Extracurrculars: 7 Tuition & acceptance rate listed
Our Lady Of Mount Carmel School
(Catholic)
(1)
645 Congress Ave
Waterbury, CT 06708
(203) 755-6809
Gr: PK-8 | 276 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.
All-girls (Catholic)
265 Benham St
Hamden, CT 06514
(203) 288-2309
Gr: 9-12 | 354 students Avg. class size: 19 students Tuition listed
Sacred Heart Greenwich
Sacred Heart Greenwich Photo
All-girls (Catholic)
(7)
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Gr: PK-12 | 680 students Avg. class size: 13 students Sports: 17 | Extracurrculars: 17 Tuition & acceptance rate listed
Sacred Heart H. S.
Sacred Heart H. S. Photo - Sacred Heart High School
(Catholic)
142 S Elm Street
Waterbury, CT 06706
(203) 753-1605
Gr: 9-12 | 300 students Sports: 14 | Extracurrculars: 9 Tuition listed
Sacred Heart School
Sacred Heart School Photo - Class of 2024 - Grade 8
(Catholic)
(2)
15 Hunters Ave
Norwich, CT 06380
(860) 887-1757
Gr: PK-8 | 120 students Sports: 1 | Extracurrculars: 2 Tuition & acceptance rate listed
St. Andrew Academy
St. Andrew Academy Photo
(Catholic)
(9)
395 Anton St
Bridgeport, CT 06606
(203) 373-1552
Gr: PK-8 | 261 students Avg. class size: 15 students
St. Bernard School
St. Bernard School Photo - Saint Bernard School XBSS leaders.
(Catholic)
1593 Norwich New London Tpke
Uncasville, CT 06382
(860) 848-1271
Gr: 6-12 | 410 students Avg. class size: 19 students Sports: 14 | Extracurrculars: 37 Tuition listed
St. Bridget School
(Catholic)
171 Main Street
Cheshire, CT 06410
(203) 272-5860
Gr: PK-8 | 349 students Avg. class size: 22 students Sports: 5 | Extracurrculars: 4 Tuition listed
St. Gregory The Great School
(Catholic)
(1)
85 Great Plain Rd
Danbury, CT 06811
(203) 748-1217
Gr: PK-8 | 271 students Tuition listed
St. James School
St. James School Photo
(Catholic)
(12)
73 Park Street
Manchester, CT 06040
(860) 643-5088
Gr: PK-8 | 400 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 8 Tuition listed
Show 64 more private schools in Connecticut (out of 99 total schools)
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