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 Schools (2025)

For the 2025 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 77%.
33% of private schools in Mendham, NJ are religiously affiliated (most commonly Catholic).

Private Schools in Mendham, NJ (2025)

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
Westmont Montessori School
Westmont Montessori School Photo
Daycare / Preschool
(2)
577 State Route 24
Mendham, NJ 07945
(908) 879-6355
Gr: PK-K | 137 students Avg. class size: 16 students Extracurrculars: 1 Tuition & acceptance rate listed
[+] 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

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

7 Ways Kids Can Avoid Summer Brain Drain
7 Ways Kids Can Avoid Summer Brain Drain
The summer "Brain Drain," also known as the "Summer Slide" is a term commonly used by educators and parents alike to describe the learning loss that takes place for many students during summer months. We polled the experts and found the 7 best ways parents and kids can combat the problem head on.
What's Being Taught?
What's Being Taught?
This article examines the academic offerings in American private high schools, discussing graduation requirements, college preparation, accreditation, and advanced programs like AP and IB. It emphasizes the importance of understanding a school's curriculum when choosing the right educational environment for a child.
Waldorf Schools
Waldorf Schools
Waldorf schools offer a well thought out approach to K-12 education.