For the 2026 school year, there are 2 private preschools serving 249 students in South River, NJ.
The top-ranked private preschool in South River, NJ is St. Marys Of Ostrabrama.
Top-Ranked South River Private Preschools (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 Private 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
138,875 Students
% Average Students of Color
47%
40%
Academics and Faculty:
# Teachers
26 Teachers
11,502 Teachers
Average Student-Teacher Ratio
10:1
12:1
% Average Faculty w/Advanced Degree
20%
50%
Average Class Size
22 students
15 students
Average Number of AP Courses
7 courses
12 courses
Average SAT score
1290
(Out of 1600)
1305
Tuition and Acceptance Rate:
Average % on Financial Aid
30%
24%
Students by Ethnicity:
Diversity Score
0.70
0.66
# American Indian Students
n/a
403 Students
% American Indian Students
n/a
n/a
# Asian Students
79 Students
7,571 Students
% Asian Students
32%
6%
# Hispanic Students
6 Students
8,894 Students
% Hispanic Students
2%
7%
# Black Students
7 Students
6,761 Students
% Black Students
3%
5%
# White Students
95 Students
56,601 Students
% White Students
38%
42%
# Hawaiian Students
n/a
146 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
54,866 Students
% of Others Students
25%
40%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
6 extracurriculars
9 extracurriculars
Average Number of Sports
9 sports
5 sports
Frequently Asked Questions
What are the top-ranked private preschools in South River, NJ?
The top-ranked private preschools in South River, NJ is St. Marys Of Ostrabrama.
How many private preschools are located in South River?
2 private preschools are located in South River.
Recent Articles
How Global Economic Trends Shape Private School Affordability
Explore how global economic trends influence private school affordability and enrollment in 2026, with insights for families and educators.
Parent Engagement in Private Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating Private School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.