Private School Review - Established 2003
St. John The Baptist Diocesan High School Top 12 · Highest % Faculty w/ Adv. Degrees (NY)
Bridges Academy (The)

West Islip Private Schools

For the 2026-27 school year, there are 2 private schools serving 1,438 students in West Islip, NY, 27% of all K-12 students in West Islip, NY are educated in private schools versus public schools (compared to the NY state average of 15%).
The average acceptance rate is 75%, which is lower than the New York private school average acceptance rate of 79%.
50% of private schools in West Islip, NY are religiously affiliated (most commonly Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked West Islip Private Schools (2026-27)

St. John The Baptist Diocesan High School Photo
St. John The Baptist Diocesan High School
Gr: 9-12 | 1,200 students
Avg. class size: 28 students
Sports: 28 | Extracurriculars: 2
Catholic
1170 Montauk Highway
West Islip, NY 11795
(631) 587-8000
(3)
View Profile
Bridges Academy (The) Photo
Bridges Academy (The)
Gr: NS-8 | 238 students
Sports: 4 | Extracurriculars: 26
339 Snedecor Ave
West Islip, NY 11795
(631) 358-5035
(19)
View Profile

West Islip, NY Private School Trends

2
Private Schools
1,438
Students
$16,075
Avg. Tuition
28
Avg. Class Size
28%
Students of Color
11:1
Student-Teacher Ratio
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 (West Islip)
This State (NY)
# Schools
2 Schools
1,795 Schools
# Students
1,438 Students
424,657 Students
% Students of Color
28%
39%
0.47
0.59
Show more data/charts: racial breakdown
# American Indian Students
2 Students
949 Students
% American Indian Students
<1%
<1%
# Asian Students
122 Students
18,397 Students
% Asian Students
8%
5%
# Hispanic Students
170 Students
33,759 Students
% Hispanic Students
11%
8%
# Black Students
90 Students
33,696 Students
% Black Students
6%
8%
# White Students
1,110 Students
252,994 Students
% White Students
72%
60%
# Hawaiian Students
0 Students
538 Students
% Hawaiian Students
0%
<1%
# Others Students
52 Students
81,171 Students
% of Others Students
3%
19%
All Ethnic Groups
Academics
# Teachers
128 Teachers
41,688 Teachers
Average Student-Teacher Ratio
11:1
10:1
% Average Faculty w/Advanced Degree
95%
75%
Average Class Size
28 students
15 students
Average Number of AP Courses
18 courses
12 courses
Average SAT score
1250
(Out of 1600)
1261
Average ACT score
28
(Out of 36)
29
Tuition & Aid
Average Yearly Tuition Cost
$16,075
$21,768
Average Summer Program Cost
$2,777
$2,323
Average % on Financial Aid
10%
34%
Average Financial Aid Grant
$2,275
$10,886
Admissions & Athletics
Average Acceptance Rate
75%
79%
Average Number of Extracurriculars
14 extracurriculars
13 extracurriculars
Average Number of Sports
16 sports
7 sports

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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