St. Mary Interparochial School
Parish school · Grades K–8
Philadelphia, PA
500 Locust St, Philadelphia, PA 19106
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- B-Years serving families
- ADiversity
What stands out
- One of 48 Catholic schools in Philadelphia
In Philadelphia, Pennsylvania, St. Mary Interparochial School is a Catholic parish school for students from kindergarten through 8th grade. About 259 students attend, with roughly 15 students per teacher. The school is part of the Archdiocese of Philadelphia. The school day runs about 7.5 hours, 180 days a year. Pennsylvania has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades K–8
- Students
- 259
- Teachers
- 17.8 (full-time equivalent)
- Students per teacher
- 14.6
- Boys and girls
- Coed · 135 girls, 124 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Archdiocese of Philadelphia
- School day
- About 7.5 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Larger than 69% of Catholic elementary schools in Pennsylvania.
- Compared with 243 Catholic elementary schools in Pennsylvania.
Students by grade
Student body
Member of
- National Catholic Educational Association
Help paying tuition in Pennsylvania
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Mary Interparochial School whether it takes part.
- Opportunity Scholarship Tax Credit (OSTC) · Tax-credit scholarship
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about St. Mary Interparochial School
What grades does St. Mary Interparochial School serve?
St. Mary Interparochial School serves grades K–8.
How many students attend St. Mary Interparochial School?
About 259 students, with 15 students per teacher, according to official records.
How much is tuition at St. Mary Interparochial School?
Call the school to ask about tuition, financial aid and payment plans. Pennsylvania has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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