For the 2026 school year, there are 3 private schools serving 333 students in Sayreville, NJ (there are 1 public school, serving 396 public students). 46% of all K-12 students in Sayreville, NJ are educated in private schools (compared to the NJ state average of 14%).
The top-ranked private school in Sayreville, NJ is St. Stanislaus Kostka School.
The average acceptance rate is 25%, which is lower than the New Jersey private school average acceptance rate of 78%.
Top-Ranked Sayreville Private Schools (2026)
School
Location
Quick Facts
St. Stanislaus Kostka School
(Catholic)
221 Macarthur Ave
Sayreville, NJ 08872
(732) 254-5819
Sayreville, NJ 08872
(732) 254-5819
Gr: PK-8 | 126 students Avg. class size: 15 students Tuition & acceptance rate listed
Agapeland Child Care Center
Daycare / Preschool (Christian)
2707 Main St
Sayreville, NJ 08872
(732) 727-7999
Sayreville, NJ 08872
(732) 727-7999
Gr: K | 68 students
Overview
This Town (Sayreville)
This State (NJ)
# Schools
3 Schools
Student Body:
# Students
333 Students
217,867 Students
% Average Students of Color
48%
40%
Academics and Faculty:
# Teachers
28 Teachers
20,239 Teachers
Average Student-Teacher Ratio
12:1
11:1
Average Class Size
15 students
14 students
Average Number of AP Courses
15 courses
15 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$25,000
$18,801
Average Acceptance Rate
25%
78%
Average Endowment Size
$50 million
$57.49 million
Students by Ethnicity:
Diversity Score
0.69
0.63
# American Indian Students
n/a
942 Students
% American Indian Students
n/a
1%
# Asian Students
20 Students
11,318 Students
% Asian Students
6%
5%
# Hispanic Students
24 Students
15,575 Students
% Hispanic Students
7%
7%
# Black Students
30 Students
14,114 Students
% Black Students
9%
7%
# White Students
108 Students
116,454 Students
% White Students
33%
53%
# Hawaiian Students
4 Students
292 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
147 Students
59,277 Students
% of Others Students
44%
27%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private schools in Sayreville, NJ?
The top-ranked private schools in Sayreville, NJ is St. Stanislaus Kostka School.
How many private schools are located in Sayreville?
3 private schools are located in Sayreville.
What percentage of students in Sayreville go to private school?
46% of all K-12 students in Sayreville are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Sayreville?
Which private schools in Sayreville are often viewed compared to one another?
Popular comparisons of private schools in Sayreville include: Our Lady Of Victories vs. St. Stanislaus Kostka School, St. Stanislaus Kostka School vs. Our Lady Of Victories
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