For the 2026 school year, there are 2 private schools serving 249 students in South River, NJ (there are , serving 2,395 public students). 9% of all K-12 students in South River, NJ are educated in private schools (compared to the NJ state average of 14%).
The top-ranked private school in South River, NJ is St. Marys Of Ostrabrama.
Top-Ranked South River 草榴社区 Schools (2026)
School
Location
Quick Facts
St. Marys Of Ostrabrama
(Catholic)
22 Holmes Avenue
South River, NJ 08882
(732) 254-2417
South River, NJ 08882
(732) 254-2417
Gr: NS-1 | 47 students
8 Thomas Street
South River, NJ 08882
(732) 238-0038
South River, NJ 08882
(732) 238-0038
Gr: PK-12 | 202 students Avg. class size: 22 students Sports: 9 | Extracurrculars: 6 Tuition listed
South River, New Jersey 草榴社区 Schools (Closed)
School
Location
Quick Facts
80 David Street
South River, NJ 08882
(732) 257-5200
South River, NJ 08882
(732) 257-5200
Gr: PK-8 | 158 students
Overview
This Town (South River)
This State (NJ)
# Schools
2 Schools
Student Body:
# Students
249 Students
216,378 Students
% Average Students of Color
47%
40%
Academics and Faculty:
# Teachers
26 Teachers
20,264 Teachers
Average Student-Teacher Ratio
10:1
11:1
% Average Faculty w/Advanced Degree
20%
53%
Average Class Size
22 students
14 students
Average Number of AP Courses
7 courses
15 courses
Average SAT score
1290
(Out of 1600)
1260
Tuition and Acceptance Rate:
Average % on Financial Aid
30%
27%
Students by Ethnicity:
Diversity Score
0.70
0.63
# American Indian Students
n/a
942 Students
% American Indian Students
n/a
n/a
# Asian Students
79 Students
11,318 Students
% Asian Students
32%
5%
# Hispanic Students
6 Students
15,574 Students
% Hispanic Students
2%
7%
# Black Students
7 Students
14,113 Students
% Black Students
3%
7%
# White Students
95 Students
116,209 Students
% White Students
38%
54%
# Hawaiian Students
n/a
292 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
62 Students
58,691 Students
% of Others Students
25%
27%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
6 extracurriculars
12 extracurriculars
Average Number of Sports
9 sports
7 sports
Frequently Asked Questions
What are the top-ranked private schools in South River, NJ?
The top-ranked private schools in South River, NJ is St. Marys Of Ostrabrama.
How many private schools are located in South River?
2 private schools are located in South River.
What percentage of students in South River go to private school?
9% of all K-12 students in South River are educated in private schools (compared to the NJ state average of 14%).
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.