St. Joseph School Photo - The St. Joseph School faculty, led by Principal, Lisa Gillespie, is well educated, is constantly keeping up with the latest educational techniques and loves the students...always wanting what is best for them!

Best Mendham Private Elementary Schools (2026)

For the 2026 school year, there are 2 private elementary schools serving 176 students in Mendham, NJ.
50% of private elementary schools in Mendham, NJ are religiously affiliated (most commonly Catholic).

Private Elementary Schools in Mendham, NJ (2026)

School
Location
Quick Facts
The Cottage School
Alternative School
(1)
9E Main Street
Mendham, NJ 07945
(908) 719-9610
Gr: NS-8 | 20 students Extracurrculars: 3
St. Joseph School
St. Joseph School Photo - The St. Joseph School faculty, led by Principal, Lisa Gillespie, is well educated, is constantly keeping up with the latest educational techniques and loves the students...always wanting what is best for them!
(Catholic)
(2)
8 W Main St
Mendham, NJ 07945
(973) 543-7474
Gr: NS-8 | 156 students
[+] Show Closed Private Schools in Mendham, New Jersey

Mendham, New Jersey Private Schools (Closed)

School
Location
Quick Facts
80 W Main St
Mendham, NJ 07945
(973) 543-5656
Gr: 9-12 | 66 students

Overview

This Town (Mendham)
This State (NJ)
# Schools
2 Schools

Student Body:

# Students
176 Students
140,525 Students
% Average Students of Color
2%
40%

Academics and Faculty:

# Teachers
20 Teachers
14,348 Teachers
Average Student-Teacher Ratio
9:1
10:1

Tuition and Acceptance Rate:

Students by Ethnicity:

0.20
0.60
# American Indian Students
n/a
838 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
8,533 Students
% Asian Students
1%
6%
# Hispanic Students
1 Student
11,226 Students
% Hispanic Students
1%
8%
# Black Students
1 Student
10,269 Students
% Black Students
n/a
7%
# White Students
139 Students
85,983 Students
% White Students
89%
60%
# Hawaiian Students
n/a
171 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
14 Students
26,727 Students
% of Others Students
9%
19%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
11 extracurriculars

Frequently Asked Questions

How many private elementary schools are located in Mendham, NJ?
2 private elementary schools are located in Mendham, NJ.
What percentage of private elementary schools are religiously affiliated in Mendham?
50% of private elementary schools in Mendham are religiously affiliated (most commonly Catholic).

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