Private School Review - Established 2003

Uniondale Private Schools

For the 2026-27 school year, there are 4 private schools serving 3,480 students in Uniondale, NY, 34% of all K-12 students in Uniondale, NY are educated in private schools versus public schools (compared to the NY state average of 14%).
75% of private schools in Uniondale, NY are religiously affiliated (most commonly Catholic and Other).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Uniondale Private Schools (2026-27)

Map of Hanc - Middle & High School
Hanc - Middle & High School
Gr: 7-12 | 463 students
Jewish
215 Oak St
Uniondale, NY 11553
(516) 538-8161
View Profile
Map of Kellenberg Memorial High School
Kellenberg Memorial High School
Gr: 6-12 | 2,512 students
Avg. class size: 20 students
Catholic
1400 Glenn Curtiss Blvd
Uniondale, NY 11553
(516) 292-0200
(1)
View Profile
Map of St. Martin De Porres Marianist School
St. Martin De Porres Marianist School
Gr: PK-8 | 364 students
530 Hempstead Blvd
Uniondale, NY 11553
(516) 481-3303
(1)
View Profile
Map of Pat Kam School & Early Childhood Center
Pat Kam School & Early Childhood Center
Gr: NS-6 | 141 students
705 Nassau Road
Uniondale, NY 11553
(516) 486-7887
View Profile

Uniondale, NY Private School Trends

4
Private Schools
3,480
Students
$20,000
Avg. Tuition
20
Avg. Class Size
22%
Students of Color
15:1
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 (Uniondale)
This State (NY)
# Schools
4 Schools
1,795 Schools
# Students
3,480 Students
424,657 Students
% Students of Color
22%
39%
0.42
0.59
Show more data/charts: racial breakdown
# American Indian Students
3 Students
949 Students
% American Indian Students
<1%
<1%
# Asian Students
36 Students
18,397 Students
% Asian Students
1%
5%
# Hispanic Students
283 Students
33,759 Students
% Hispanic Students
9%
8%
# Black Students
274 Students
33,696 Students
% Black Students
9%
8%
# White Students
2,344 Students
252,994 Students
% White Students
75%
60%
# Hawaiian Students
20 Students
538 Students
% Hawaiian Students
1%
<1%
# Others Students
156 Students
81,171 Students
% of Others Students
5%
19%
All Ethnic Groups
Academics
# Teachers
232 Teachers
41,688 Teachers
Average Student-Teacher Ratio
15:1
10:1
% Average Faculty w/Advanced Degree
10%
75%
Average Class Size
20 students
15 students
Average Number of AP Courses
20 courses
12 courses
Tuition & Aid
Average Yearly Tuition Cost
$20,000
$21,768
Average Endowment Size
$10 million
$31.78 million

Frequently Asked Questions

What are the top ranked private schools in Uniondale, NY?
The top ranked private schools in Uniondale, NY include Hanc - Middle & High School, St. Martin De Porres Marianist School, and Kellenberg Memorial High School.
How many private schools are located in Uniondale?
4 private schools are located in Uniondale.
What percentage of students in Uniondale go to private school?
34% of all K-12 students in Uniondale are educated in private schools (compared to the NY state average of 14%).
What percentage of private schools are religiously affiliated in Uniondale?
75% of private schools in Uniondale are religiously affiliated (most commonly Catholic and Other).

Recent Articles

Should Your Child Stay at the Same Private School K–12?
Should Your Child Stay at the Same Private School K–12?
Explore whether your child should attend the same private school from kindergarten through graduation, weighing academic continuity, friendships, changing needs, tuition costs, and opportunities at different educational stages.
When Your Child's Closest Friends Leave Private School
When Your Child's Closest Friends Leave Private School
Learn how to support your child when close friends leave private school, manage loneliness, maintain friendships, encourage new connections, recognize emotional challenges, and decide when additional school support is needed.
When Your Child Doesn't Connect With Their Teacher
When Your Child Doesn't Connect With Their Teacher
Discover when parents should intervene if their child struggles to connect with a private school teacher, including warning signs, communication strategies, classroom concerns, and practical steps toward improving relationships.
Area schools map

Filter Schools

School Level
Must Offer Grade
Show more
Gender
School Focus
Religious Affiliation
ADD/ADHD Support
Summer Program

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (NY):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: