Sr. Margaret Mary has served in the fine dioceses of New Jersey. Sister was an elementary school teacher for 17 years and a Principal for 16 years. Presently, Sister is completing her eighth year as Principal of St. Cecelia's school.

Sr. Margaret Mary holds a Master degree in Education from Seton Hall University, a B.S. degree from the College of St. Elizabeth, Sister holds certifications from the state of New Jersey in Administration and Supervision, Reading and Elementary Education. Sister is committed to the academic, spiritual, and social formation of each and every St. Cecelia student.