Private School Review - Established 2003

East Islip Private Schools (2026-27)

For the 2026-27 school year, there are 2 private schools serving 501 students in East Islip, NY, 39% of all K-12 students in East Islip, NY are educated in private schools versus public schools (compared to the NY state average of 15%).
The average acceptance rate is 53%, which is lower than the New York private school average acceptance rate of 76%.
50% of private schools in East Islip, NY are religiously affiliated (most commonly Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked East Islip Private Schools (2026-27)

Harrow International School New York Photo
Harrow International School New York
Gr: 6-12
Avg. class size: 8 students
Sports: 11
500 Montauk Highway
East Islip, NY 11769
(631) 869-1572
View Profile
Map of St. Mary School
St. Mary School
Gr: PK-8 | 501 students
Catholic
16 Harrison Ave
East Islip, NY 11730
(631) 581-3423
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[+] Show Closed Private Schools in East Islip, New York

East Islip, New York Private Schools (Closed)

Chatterbox Day School Photo
Chatterbox Day School
Gr: PK-1 | 61 students
Daycare / Preschool
52 Hawthorne Ave
East Islip, NY 11730
(631) 581-4756
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Map of The Hewlett School
The Hewlett School
Gr: PK-12 | 63 students
74 Suffolk Lane
East Islip, NY 11730
(631) 581-1035
View Profile

East Islip, NY Private School Trends (10-Year)

2
Private Schools
501
Students
-15.4% (-91 students) 10-yr
$43,350
Avg. Tuition
8
Avg. Class Size
32%
Students of Color
+6.7% (+2.0 pp) 10-yr
19:1
Student-Teacher Ratio
+11.8% (+2.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (East Islip)
This State (NY)
# Schools
2 Schools
1,796 Schools
# Students
501 Students
424,623 Students

Trends in the Average Number of Students Per Private School

YearEast Islip, NY AvgNew York (NY)National
2025501246179
2024501238172
2023289238174
2022523250185
2021293245180
2020293242171
2019305247175
2018305245172
2017296242180
2016296241178
2015296230167
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Students of Color
32%
39%

Percentage of Students of Color Trends (2015-2025)

YearEast Islip, NY AvgNew York (NY)National
202532%40%34%
202432%40%34%
202334%40%33%
202233%40%33%
202134%41%32%
202034%41%32%
201934%40%31%
201834%39%31%
201730%40%32%
201630%40%32%
201530%41%32%
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0.67
0.59

Diversity Score Trends

YearEast Islip, NY AvgNew York (NY)National
20250.670.600.65
20240.670.600.65
20230.670.620.65
20220.670.620.64
20210.680.620.64
20200.680.620.64
20190.670.610.63
20180.670.610.63
20170.620.610.61
20160.620.620.61
20150.620.620.61
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▼ Show more data/charts: racial breakdown
# American Indian Students
1 Student
949 Students
% American Indian Students
n/a
n/a
# Asian Students
3 Students
18,397 Students
% Asian Students
1%
5%

Asian Student Percentage Trends

YearEast Islip, NY AvgNew York (NY)National
20251%4%5%
20241%4%5%
20232%4%5%
20222%5%4%
20211%5%4%
20201%4%4%
20192%5%4%
20182%5%4%
20171%4%4%
20161%4%4%
20151%4%4%
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# Hispanic Students
64 Students
33,759 Students
% Hispanic Students
13%
8%

Hispanic Student Percentage Trends

YearEast Islip, NY AvgNew York (NY)National
202513%8%9%
202413%8%9%
202311%9%9%
202212%9%8%
202111%9%9%
202011%9%9%
20199%10%8%
20189%10%8%
20177%9%8%
20167%9%8%
20157%9%8%
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# Black Students
36 Students
33,696 Students
% Black Students
7%
8%

Black Student Percentage Trends

YearEast Islip, NY AvgNew York (NY)National
20257%8%7%
20247%8%7%
20238%9%8%
202210%9%7%
20219%9%7%
20209%9%8%
201910%9%7%
201810%9%7%
20176%11%7%
20166%11%7%
20156%11%8%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# White Students
226 Students
252,994 Students
% White Students
45%
60%

White Student Percentage Trends

YearEast Islip, NY AvgNew York (NY)National
202545%59%52%
202445%59%52%
202341%57%52%
202247%57%54%
202143%57%54%
202043%58%54%
201942%58%56%
201842%58%56%
201744%58%58%
201644%58%58%
201544%58%58%
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# Hawaiian Students
1 Student
538 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
170 Students
81,443 Students
% of Others Students
34%
19%

Other Races Student Percentage Trends

YearEast Islip, NY AvgNew York (NY)National
202534%20%26%
202434%20%26%
202338%20%25%
202229%18%25%
202136%19%25%
202036%19%24%
201937%18%24%
201837%18%23%
201742%18%22%
201642%18%22%
201542%18%21%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups
Academics
# Teachers
42 Teachers
41,519 Teachers
Average Student-Teacher Ratio
19:1
10:1

Student-Teacher Ratio Trends (2015-2025)

YearEast Islip, NY AvgNew York (NY)National
202519:110:111:1
202419:110:111:1
202321:111:111:1
202219:111:111:1
202120:111:111:1
202020:111:112:1
201920:111:112:1
201820:111:112:1
201717:111:112:1
201617:111:112:1
201517:112:112:1
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Average Faculty w/Advanced Degree
90%
76%
Average Class Size
8 students
15 students
Tuition & Aid
Average Yearly Tuition Cost
$43,350
$22,451
Admissions & Athletics
Average Acceptance Rate
53%
76%
Average Number of Sports
11 sports
7 sports

Frequently Asked Questions

What are the top ranked private schools in East Islip, NY?
The top ranked private schools in East Islip, NY include St. Mary School and Harrow International School New York.
How many private schools are located in East Islip?
2 private schools are located in East Islip.
What percentage of students in East Islip go to private school?
39% of all K-12 students in East Islip are educated in private schools (compared to the NY state average of 15%).
What percentage of private schools are religiously affiliated in East Islip?
50% of private schools in East Islip are religiously affiliated (most commonly Catholic).

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