St. Joseph School Profile


8 West Main Street

Mendham, NJ 07945


Principal's name        Lori Arends

Phone Number         973-543-7474

Fax Number              973-543-7817

Email address

Website link   

School Mission Statement:  As a Catholic School, the mission of St. Joseph School derives from the teachings of Jesus Christ.  Our school is a community of faith committed to the education and development of the whole child: intellectual, spiritual, physical, social and emotional.  This commitment is fulfilled in an academically challenging environment which is warm, positive and supportive to the child.

Accreditations: National Blue Ribbon School of Excellence, AdvancED, Star School by the Paterson Diocese

Grade Levels:



through Grade 8

Kindergarten is 5 full days; school hours 7:20-2:10

Current Year Enrollment


Student/Teacher Ratio


Average Class Size


Standardized Testing

IOWA Assessments of basic skills, Cooperative Exam 

Applications & Tuition

Please contact our school office or refer to our website for detailed information on our application process and current tuition.


The Catholic School curriculum meets all state regulations and guidelines. In addition, the diocesan guidelines require a strong religious education curriculum. Catholic Schools engage in an ongoing process of evaluation, certification, and accreditation of both teachers and programs.

World Language(s)



Chromebooks, Smartboards, iPads

Fine & Performing Arts

Christmas Pageant, Spring Musical, Student Art Show

Lunch Program


Before/After School Care

Offered on site daily until 6 PM.




Soccer, Volleyball, Basketball, Golf enrichment


Extensive options including Forensics, Robotics, Debate, TREP$

Community Service

Many opportunities offered for community service including visiting local elderly, soup kitchen assistance, clothing collections


Many programs available including pottery and chess

Support Organizations

Home School Association, Education Council

Social media

Facebook, Instagram, Twitter