St. John The Baptist Diocesan High School Photo - SJB student produced Stained Glass in front lobby

Best West Islip Private Schools (2025-26)

For the 2025-26 school year, there are 2 private schools serving 1,450 students in West Islip, NY (there are 7 public schools, serving 3,867 public students). 27% of all K-12 students in West Islip, NY are educated in private schools (compared to the NY state average of 15%).
The top ranked private school in West Islip, NY is St. John The Baptist Diocesan High School.
The average acceptance rate is 75%, which is higher than the New York private school average acceptance rate of 74%.
50% of private schools in West Islip, NY are religiously affiliated (most commonly Catholic).

Top Ranked West Islip Private Schools (2025-26)

School
Location
Quick Facts
Bridges Academy (The)
Bridges Academy (The) Photo - Our 2016-17 Graduating class
(19)
339 Snedecor Ave
West Islip, NY 11795
(631) 358-5035
Gr: NS-8 | 238 students Sports: 4 | Extracurrculars: 27 Tuition listed
St. John The Baptist Diocesan High School
St. John The Baptist Diocesan High School Photo - SJB student produced Stained Glass in front lobby
(Catholic)
(3)
1170 Montauk Highway
West Islip, NY 11795
(631) 587-8000
Gr: 9-12 | 1,200 student Avg. class size: 28 students Sports: 28 | Extracurrculars: 2 Tuition & acceptance rate listed

Frequently Asked Questions

What are the top ranked private schools in West Islip, NY?
The top ranked private schools in West Islip, NY is St. John The Baptist Diocesan High School.
How many private schools are located in West Islip?
2 private schools are located in West Islip.
What percentage of students in West Islip go to private school?
27% of all K-12 students in West Islip are educated in private schools (compared to the NY state average of 15%).
What percentage of private schools are religiously affiliated in West Islip?
50% of private schools in West Islip are religiously affiliated (most commonly Catholic).

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