For the 2026 school year, there are 4 private schools serving 3,480 students in Uniondale, NY (there are , serving 6,673 public students). 34% of all K-12 students in Uniondale, NY are educated in private schools (compared to the NY state average of 15%).
The top-ranked private schools in Uniondale, NY include Kellenberg Memorial High School, St. Martin De Porres Marianist School, and Hanc - Middle & High School.
Top-Ranked Uniondale 草榴社区 Schools (2026)
School
Location
Quick Facts
Hanc - Middle & High School
(Jewish)
215 Oak St
Uniondale, NY 11553
(516) 538-8161
Uniondale, NY 11553
(516) 538-8161
Gr: 7-12 | 463 students
1400 Glenn Curtiss Blvd
Uniondale, NY 11553
(516) 292-0200
Uniondale, NY 11553
(516) 292-0200
Gr: 6-12 | 2,512 students Avg. class size: 20 students Tuition listed
530 Hempstead Blvd
Uniondale, NY 11553
(516) 481-3303
Uniondale, NY 11553
(516) 481-3303
Gr: PK-8 | 364 students
705 Nassau Road
Uniondale, NY 11553
(516) 486-7887
Uniondale, NY 11553
(516) 486-7887
Gr: NS-6 | 141 students
Overview
This Town (Uniondale)
This State (NY)
# Schools
4 Schools
Student Body:
# Students
3,480 Students
424,309 Students
% Average Students of Color
22%
39%
Academics and Faculty:
# Teachers
232 Teachers
41,517 Teachers
Average Student-Teacher Ratio
15:1
10:1
% Average Faculty w/Advanced Degree
10%
76%
Average Class Size
20 students
15 students
Average Number of AP Courses
20 courses
11 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$20,000
$22,435
Average Endowment Size
$10 million
$48.84 million
Students by Ethnicity:
Diversity Score
0.42
0.59
# American Indian Students
3 Students
949 Students
% American Indian Students
n/a
n/a
# 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%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
156 Students
81,467 Students
% of Others Students
5%
19%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private schools in Uniondale, NY?
The top-ranked private schools in Uniondale, NY include Kellenberg Memorial High School, St. Martin De Porres Marianist School, and Hanc - Middle & 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 15%).
Recent Articles
Ask Current Parents What Admissions Won't Answer
Learn how to ask current private school parents revealing questions about culture, academics, communication, costs, discipline, and community life before deciding whether a school truly fits your family well.
When School Anxiety Is Really a School Fit Problem
Learn when school anxiety may signal a poor school fit, how parents can identify academic or social mismatches, and when changing private schools deserves serious consideration for families today.
Will My Child Find Their People? Evaluating School Culture
Learn how to evaluate private school culture, student belonging, friendships, teacher relationships, social dynamics, and authentic community fit so your child can find the right place to thrive and connect.