The Children's Tree Montessori School Photo - Learning to make words with the movable alphabet in the primary (preschool) classroom.

Best Old Saybrook Private Schools (2025-26)

For the 2025-26 school year, there are 3 private schools serving 241 students in Old Saybrook, CT (there are 3 public schools, serving 1,026 public students). 19% of all K-12 students in Old Saybrook, CT are educated in private schools (compared to the CT state average of 12%).
The top ranked private school in Old Saybrook, CT is The Children's Tree Montessori School.
The average acceptance rate is 90%, which is higher than the Connecticut private school average acceptance rate of 71%.
33% of private schools in Old Saybrook, CT are religiously affiliated (most commonly Catholic).

Top Ranked Old Saybrook Private Schools (2025-26)

School
Location
Quick Facts
The Children's Tree Montessori School
The Children's Tree Montessori School Photo - Learning to make words with the movable alphabet in the primary (preschool) classroom.
Montessori School
(4)
96 Essex Rd
Old Saybrook, CT 06475
(860) 388-3536
Gr: PK-6 | 102 students Avg. class size: 17 students Sports: 1 | Extracurrculars: 7 Tuition & acceptance rate listed
Joshua Center Shoreline Cdt
Special Education School
5 Research Pkwy
Old Saybrook, CT 06475
(860) 510-0163
Gr: 9-12 | 7 students
St. John School
(Catholic)
(3)
42 Maynard Rd
Old Saybrook, CT 06475
(860) 388-0849
Gr: PK-8 | 132 students

Frequently Asked Questions

What are the top ranked private schools in Old Saybrook, CT?
The top ranked private schools in Old Saybrook, CT is The Children's Tree Montessori School.
How many private schools are located in Old Saybrook?
3 private schools are located in Old Saybrook.
What percentage of students in Old Saybrook go to private school?
19% of all K-12 students in Old Saybrook are educated in private schools (compared to the CT state average of 12%).
What percentage of private schools are religiously affiliated in Old Saybrook?
33% of private schools in Old Saybrook are religiously affiliated (most commonly Catholic).

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