For the 2025-26 school year, there are 2 private schools serving 1,438 students in West Islip, NY (there are , 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 ²ÝÁñÉçÇø Schools (2025-26)
School
Location
Quick Facts
339 Snedecor Ave
West Islip, NY 11795
(631) 358-5035
West Islip, NY 11795
(631) 358-5035
Gr: NS-8 | 238 students Sports: 4 | Extracurrculars: 26 Tuition listed
1170 Montauk Highway
West Islip, NY 11795
(631) 587-8000
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).
Recent Articles
Student Success Predictors at Community Colleges
A practical guide to student success predictors at community colleges for private school advisors helping graduates navigate two-year pathways.
Career Pathways with Community College for ²ÝÁñÉçÇø School Grads
Explore top career pathways with community college for private school graduates, including high-demand jobs, transfer options, and 2025 workforce trends.
Navigating the FAFSA & Financial Aid Timeline for Community College
Learn how to navigate FAFSA and financial aid timelines when starting at community college — from application to disbursement in 2025.