Private School Review - Established 2003
The Knox School Photo - Founded in 1904, The Knox School is Long Island`s oldest established private school. Our inclusive environment serves grades 6-12 and Post-Graduate, providing students with a broad world perspective and a wide range of skills to prepare them for the next phase of their journeys.
The Knox School

Best 11780 New York Private Schools (2025-26)

For the 2025-26 school year, there are 3 private schools serving 499 students in 11780, NY (there are 4 public schools, serving 2,703 public students). 16% of all K-12 students in 11780, NY are educated in private schools (compared to the NY state average of 15%).
The top ranked private schools in 11780, NY include The Knox School and Harbor Country Day School.
The average acceptance rate is 75%, which is higher than the New York private school average acceptance rate of 74%.
33% of private schools in 11780, NY are religiously affiliated (most commonly Catholic).

Top Ranked 11780 New York Private Schools (2025-26)

School
Location
Quick Facts
The Knox School
The Knox School Photo - Founded in 1904, The Knox School is Long Island`s oldest established private school. Our inclusive environment serves grades 6-12 and Post-Graduate, providing students with a broad world perspective and a wide range of skills to prepare them for the next phase of their journeys.
(10)
541 Long Beach Road
Saint James, NY 11780
(631) 686-1600
Gr: 6-12 | 132 students Avg. class size: 12 students Sports: 9 | Extracurrculars: 31 Tuition & acceptance rate listed
Harbor Country Day School
Harbor Country Day School Photo
(4)
17 Three Sisters Road
Saint James, NY 11780
(631) 584-5555
Gr: K-8 | 126 students Avg. class size: 12 students Sports: 2 | Extracurrculars: 9 Tuition listed
Ss Philip & James School
(Catholic)
359 Clinton Ave
Saint James, NY 11780
(631) 584-7896
Gr: PK-8 | 241 students

Frequently Asked Questions

What are the top ranked private schools in 11780, NY?
The top ranked private schools in 11780, NY include The Knox School and Harbor Country Day School.
How many private schools are located in 11780?
3 private schools are located in 11780.
What percentage of students in 11780 go to private school?
16% of all K-12 students in 11780 are educated in private schools (compared to the NY state average of 15%).
What percentage of private schools are religiously affiliated in 11780?
33% of private schools in 11780 are religiously affiliated (most commonly Catholic).

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