St. Mary Interparochial School, founded in 1782, is a catholic elementary school of the Archdiocese of Philadelphia.
Located in the heart of the historic district, we serve children and their families from neighborhoods throughout the city and suburbs.
Our mission is to provide a superior Catholic education to our diverse population of students, while keeping tuition stable for our city's working families.
We commit ourselves to the development of each child in mind, body and spirit! We provide an elementary Catholic education in the heart of historic Philadelphia.
Our center City location within Independence Historical Park provides a unique setting for children from Philadelphia neighborhoods and the suburbs of Pennsylvania, New jesey and Delaware.
Quick Stats (2025)
- Top Ranked PA School
- Grades: Kindergarten-8
- Enrollment: 250 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
St. Mary Interparochial School ranks among the top 20% of private schools in Pennsylvania for:
School Overview
Religious Affiliation
Grades Offered
Grades Kindergarten-8
Year Founded
1782
School Calendar
First Day of School
Mon. Sep 1, 2025
Last Day of School
Wed. Jun 10, 2026
Awards
Blue Ribbon School - Selected in 2016
Student Body
Total Students
250 students
Student Body Type
Co-ed
% Students of Color
17%
State avg.: 27%
Students by Grade
Academics and Faculty
Total Classroom Teachers
23 teachers
Student : Teacher Ratio
11:1
National avg.:
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Tuition Notes
$9,010 - Kindergarten, $7,040 - First Grade - Eighth Grade
Application URL
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What is St. Mary Interparochial School's ranking?
St. Mary Interparochial School ranks among the top 20% of private schools in Pennsylvania for: Largest student body and Oldest founding date.
When is the application deadline for St. Mary Interparochial School?
The application deadline for St. Mary Interparochial School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Mary Interparochial School located?
St. Mary Interparochial School is located in the Society Hill neighborhood of Philadelphia, PA. There are 2 other private schools located in Society Hill.
Related Schools
Show me:
People that viewed St. Mary Interparochial School also viewed these schools: St. Peter's School, St. Peter The Apostle School, William Penn Charter School, St. Laurence School and Holy Redeemer Child Care.
The nearest high school to St. Mary Interparochial School is Delaware Valley High School, Cc (0.7 miles away)
The nearest elementary school is St. Peter's School (0.3 miles away)
The nearest preschool is Chesterbrook Academy (0.1 miles away)
Show me:
Show me:
School
Location
Miles
Grades
Students
Grades: NS-8 | 151 students 0.3 miles 319 Lombard Street
Philadelphia, PA 19147
(215) 925-3963
Philadelphia, PA 19147
(215) 925-3963
0.3
NS-8
151
Grades: PK-8 | 222 students 1.6 miles 1009 N 5th St
Philadelphia, PA 19123
(215) 922-5958
Philadelphia, PA 19123
(215) 922-5958
1.6
PK-8
222
Grades: PK-12 | 947 students 5.6 miles 3000 W School House Lane
Philadelphia, PA 19144
(215) 844-3460
Philadelphia, PA 19144
(215) 844-3460
5.6
PK-12
947
Grades: PK-8 | 248 students 7 miles 8245 W Chester Pike
Upper Darby, PA 19082
(610) 789-2670
Upper Darby, PA 19082
(610) 789-2670
7
PK-8
248
Holy Redeemer Child Care
Daycare / Preschool (Catholic)
Grades: NS-K | 11 students 11.9 miles 1648 Huntingdon Pike
Jenkintown, PA 19046
(215) 938-1010
Jenkintown, PA 19046
(215) 938-1010
11.9
NS-K
11
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