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 (2026)

For the 2026 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 75%.

Top-Ranked East Islip Private High Schools (2026)

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

Overview

This Town (East Islip)
This State (NY)
# Schools
1 School

Student Body:

# Students
n/a
235,762 Students

Academics and Faculty:

# Teachers
15 Teachers
25,226 Teachers
Average Student-Teacher Ratio
n/a
9:1
% Average Faculty w/Advanced Degree
90%
76%
Average Class Size
8 students
15 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$61,700
$26,901
Average Acceptance Rate
80%
75%

Students by Ethnicity:

-
0.51
# American Indian Students
n/a
429 Students
% American Indian Students
n/a
n/a
# Asian Students
n/a
11,858 Students
% Asian Students
n/a
5%
# Hispanic Students
n/a
15,698 Students
% Hispanic Students
n/a
7%
# Black Students
n/a
16,795 Students
% Black Students
n/a
7%
# White Students
n/a
161,811 Students
% White Students
n/a
69%
# Hawaiian Students
n/a
2,431 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
n/a
26,452 Students
% of Others Students
n/a
11%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Sports
11 sports
9 sports

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.

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