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Contact

School Address
St. Mary Interparochial School
Fifth and Locust Streets
Philadelphia, PA 19106

School Office Contact Information
schooloffice@saintmarys.us
Phone: 215-923-7522
Fax: 215-923-8502

School Hours
7:45 am to 3:00 pm (2:45 pm for Kindergarteners)

Office Hours
7:30 am to 3:00 pm


The School Office Closed from Friday, June 13, 2025 - Friday, June 20, 2025
If you need assistance, please contact Mrs. Mary Ellen Penna at 267-231-4405 (cell) or schooloffice@saintmarys.us

Summer Office Hours
Tuesday, June 24 - August 5th
Tuesdays, Wednesdays, Thursdays
8:00 AM to 12:00 PM

Please call Mrs. Mary Ellen Penna in advance if you are coming to the school (in-person) at 267-231-4405 (cell). Please note during the summer, messages on the school’s main line are not checked daily. 

CARES Contact Information
Mary Ellen Penna
215-360-6812
schooloffice@saintmarys.us

CARES Hours
2:45 pm to 5:30 pm

STEAM Contact Information
Millie Cammisa
215-923-7522
library@saintmarys.us

STEAM Hours
2:45 pm to 5:30 pm