elcome to St. Mary’s Prep!
Thank you for visiting our school's website.  Education is one of the most important decisions you will make for your child.  Choose St. Mary's Prep to  educate your child's mind, heart and spirit.

  • 100 Route 46
    Denville, NJ 07834

    Dr. Margaret McCluskey, Principal
    Fr. Martin Glynn, Pastor

    School Office: 973-627-2606
    School Fax: 973-627-9316
    Rectory: 973-627-0269
    CCD Office: 973-627-8276