Best private high schools in Connecticut

Stacker
A class of high schoolers as viewed from the rear.
Daniel Hoz // Shutterstock

- Location: Oakdale, CT
- Enrollment: 170 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#30. St. Thomas More School
A student filling out a scantron form for a multiple choice test.
Achira22 // Shutterstock

- Location: Greenwich, CT
- Enrollment: 729 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#29. Sacred Heart Greenwich
A student talking to a teacher in the hallway.
Ground Picture // Shutterstock

- Location: Hartford, CT
- Enrollment: 220 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#28. Watkinson School
A student standing next to their backpack as seen from the knee down.
LightField Studios // Shutterstock

- Location: South Kent, CT
- Enrollment: 150 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#27. South Kent School
Students walking down a hallway with their backs facing the camera.
Mircea Moira // Shutterstock

- Location: Middlebury, CT
- Enrollment: 184 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#26. Westover School
A high school student doing a chemical experiment.
LStockStudio // Shutterstock

- Location: Simsbury, CT
- Enrollment: 228 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#25. The Ethel Walker School
A high school student sitting at a desk writing on a piece of paper.
panitanphoto // Shutterstock

- Location: Cheshire, CT
- Enrollment: 365 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#24. Cheshire Academy
A student raising their hand in class.
Jacob Lund // Shutterstock

- Location: Westport, CT
- Enrollment: 713 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#23. Greens Farms Academy
An empty school hallway lined with red lockers.
ImageFlow // Shutterstock

- Location: New Milford, CT
- Enrollment: 325 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#22. Canterbury School
A student solving a math equation on a whiteboard.
Ground Picture // Shutterstock

- Location: New London, CT
- Enrollment: 195 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#21. The Williams School
A row of empty desks with notebooks and pencils on them.
Tyler Olson // Shutterstock

- Location: Simsbury, CT
- Enrollment: 435 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#20. Westminster School
A hallway lined with green lockers.
SEALANDSKYPHOTO // Shutterstock

- Location: West Hartford, CT
- Enrollment: 501 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#19. Kingswood Oxford School
A side view of a person using a laptop in the school library.
sirtravelalot // Shutterstock

- Location: Stamford, CT
- Enrollment: 709 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#18. King School
An empty classroom as viewed from the back.
maroke // Shutterstock

- Location: New Canaan, CT
- Enrollment: 603 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#17. St. Luke's School
A pencil case full of pens, pencils, and highlighters spilling on a table.
Studio KIWI // Shutterstock

- Location: Avon, CT
- Enrollment: 406 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#16. Avon Old Farms School
A group of students walking down the hall with their backs facing the camera.
GagliardiPhotography // Shutterstock

- Location: Salisbury, CT
- Enrollment: 310 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#15. Salisbury School
An overhead view of high school pupils in group study sitting around circular tables.
Monkey Business Images // Shutterstock

- Location: Westport, CT
- Enrollment: 116 (3:1 student to teacher ratio)
- Niche grade: Grade A+

#14. Pierrepont School
Students using microscopes in science class.
Ground Picture // Shutterstock

- Location: Greenwich, CT
- Enrollment: 1,044 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#13. Brunswick School
High school students studying and reading together in their school library.
Joyseulay // Shutterstock

- Location: Greenwich, CT
- Enrollment: 832 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#12. Greenwich Academy
Students raising their hands for class participation.
LStockStudio // Shutterstock

- Location: Washington, CT
- Enrollment: 325 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#11. The Frederick Gunn School
A stack of textbooks with pens on top of them next to an open notebook.
Canva

- Location: Pomfret, CT
- Enrollment: 350 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#10. Pomfret School
Two students sharing a book.
Canva

- Location: Hamden, CT
- Enrollment: 624 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#9. Hamden Hall Country Day School
A high school student doing classwork on their laptop.
Canva

- Location: Farmington, CT
- Enrollment: 335 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#8. Miss Porter's School
A teacher writing an equation on a blackboard using chalk.
Roman Kosolapov // Shutterstock

- Location: Suffield, CT
- Enrollment: 410 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#7. Suffield Academy
Students' backpacks sitting on a hallway floor.
LBeddoe // Shutterstock

- Location: Kent, CT
- Enrollment: 520 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#6. Kent School
Bookshelves at a high school's library.
Canva

- Location: Watertown, CT
- Enrollment: 580 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#5. The Taft School
A stack of spiral noteboooks in front of a wooden background.
DenisProduction.com // Shutterstock

- Location: New Haven, CT
- Enrollment: 715 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#4. Hopkins School
Two rows of red lockers.
Canva

- Location: Windsor, CT
- Enrollment: 736 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#3. The Loomis Chaffee School
Empty desks in a high school classroom.
Anna Jurkovska // Shutterstock

- Location: Lakeville, CT
- Enrollment: 599 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#2. The Hotchkiss School
A closeup of a student taking notes in class.
Canva

- Location: Wallingford, CT
- Enrollment: 861 (7:1 student to teacher ratio)
- Niche grade: Grade A+

This story features data reporting by Wade Zhou, writing by Emma Rubin, and is part of a series utilizing data automation across 50 states.

#1. Choate Rosemary Hall
LightField Studios // Shutterstock