St. Mary’s Prep — voted #1 private school
in the Daily Record 2011 Readers Choice Awards

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.


  • First Day of School

    St. Mary's Prep will reopen Tuesday September 2nd.

    This will be a full day of school for grades 1 - 8.

    Pre-K 3 and Trans-K will have an orientation begining at 9:00 .

    Pre-K 4 and Kindergarten will have an orientaion begining at 10:00.

    Their 1st full day will be Wednesday September 3rd. 

    Back to School Night

    Back to school night will be Tuesday September 9th at 7:00 starting in the church. 

    Cash Cards

    Click here for more information about Cash Cards

    Donate your car


    Click to Donate Your Car to Catholic Charities Diocese of Paterson


  • 100 Route 46
    Denville, NJ 07834

    Mr. John Giacchi, Principal
    Fr. Martin Glynn, Pastor

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