For the 2026 school year, there are 3 private schools serving 313 students in Mendham, NJ (there are 3 public schools, serving 1,532 public students). 17% of all K-12 students in Mendham, NJ are educated in private schools (compared to the NJ state average of 14%).
The average acceptance rate is 90%, which is higher than the New Jersey private school average acceptance rate of 78%.
33% of private schools in Mendham, NJ are religiously affiliated (most commonly Catholic).
Private Schools in Mendham, NJ (2026)
School
Location
Quick Facts
9E Main Street
Mendham, NJ 07945
(908) 719-9610
Mendham, NJ 07945
(908) 719-9610
Gr: NS-8 | 20 students Extracurrculars: 3
577 State Route 24
Mendham, NJ 07945
(908) 879-6355
Mendham, NJ 07945
(908) 879-6355
Gr: PK-K | 137 students Avg. class size: 16 students Extracurrculars: 1 Tuition & acceptance rate listed
Mendham, New Jersey Private Schools (Closed)
School
Location
Quick Facts
Daytop Preparatory School (Closed 2024)
Special Education School
80 W Main St
Mendham, NJ 07945
(973) 543-5656
Mendham, NJ 07945
(973) 543-5656
Gr: 9-12 | 66 students
Overview
This Town (Mendham)
This State (NJ)
# Schools
3 Schools
Student Body:
# Students
313 Students
217,877 Students
% Average Students of Color
11%
40%
Academics and Faculty:
# Teachers
36 Teachers
20,239 Teachers
Average Student-Teacher Ratio
9:1
11:1
% Average Faculty w/Advanced Degree
40%
54%
Average Class Size
16 students
14 students
Average Number of AP Courses
10 courses
15 courses
Tuition and Acceptance Rate:
Average Acceptance Rate
90%
78%
Students by Ethnicity:
Diversity Score
0.52
0.63
# American Indian Students
n/a
942 Students
% American Indian Students
n/a
1%
# Asian Students
2 Students
11,318 Students
% Asian Students
1%
5%
# Hispanic Students
2 Students
15,575 Students
% Hispanic Students
1%
7%
# Black Students
1 Student
14,114 Students
% Black Students
n/a
7%
# White Students
146 Students
116,454 Students
% White Students
50%
53%
# 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
142 Students
59,277 Students
% of Others Students
48%
27%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
2 extracurriculars
12 extracurriculars
Frequently Asked Questions
How many private schools are located in Mendham, NJ?
3 private schools are located in Mendham, NJ.
What percentage of students in Mendham go to private school?
17% of all K-12 students in Mendham are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Mendham?
33% of private schools in Mendham are religiously affiliated (most commonly Catholic).
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.


