Harrow International School New York Photo - Combining 450 years of outstanding pedagogy at Harrow School, one of the UK's most prestigious independent schools, with the vibrancy of New York and a stunning waterfront campus spread over more than 170 acres, Harrow New York offers a premium day and boarding school education for girls and boys in Grades 6-12.

Best East Islip Private High Schools (2025-26)

For the 2025-26 school year, there is 1 private high school in East Islip, NY.
The top ranked private high school in East Islip, NY is Harrow International School New York.
The average acceptance rate is 80%, which is higher than the New York private high school average acceptance rate of 73%.

Top Ranked East Islip Private High Schools (2025-26)

School
Location
Quick Facts
500 Montauk Highway
East Islip, NY 11769
(631) 869-1572
Gr: 6-12 Avg. class size: 8 students Sports: 11 Tuition & acceptance rate listed
[+] Show Closed Private Schools in East Islip, New York

East Islip, New York Private Schools (Closed)

School
Location
Quick Facts
52 Hawthorne Ave
East Islip, NY 11730
(631) 581-4756
Gr: PK-1 | 61 students
74 Suffolk Lane
East Islip, NY 11730
(631) 581-1035
Gr: PK-12 | 63 students

Frequently Asked Questions

What are the top ranked private high schools in East Islip, NY?
The top ranked private high schools in East Islip, NY is Harrow International School New York.
How many private high schools are located in East Islip?
1 private high schools are located in East Islip.

Recent Articles

What’s a Private School? 2025 Guide for Parents
What’s a Private School? 2025 Guide for Parents
Explore what defines a private school in 2025—costs, diversity, programs, and admissions insights for families choosing the right education.
Technology in Private Schools: 2025 Insights
Technology in Private Schools: 2025 Insights
Explore how private schools use technology in 2025—from AI learning tools to balanced digital practices shaping future-ready students.
Starting a Private School: 2025 Guide
Starting a Private School: 2025 Guide
Discover how to start a private school in 2025, from legal requirements to tuition planning, accreditation, and real-world success stories.