St. Mary Interparochial School (Top Ranked Private School for 2026-27)

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Quick Facts (26-27)

Top Ranked PA School
Grades: Kindergarten-8
Enrollment: 250 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

School Rankings

St. Mary Interparochial School ranks among the top 20% of private schools in Pennsylvania for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades Kindergarten-8

Students By Grade

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Distribution of Students By Grade

Grade	St. Mary Interparochial School
Kind	30
1	31
2	30
3	31
4	29
5	24
6	27
7	26
8	22

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Year Founded

1782

School Calendar

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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%

Academic Profile

Total Classroom Teachers

23 teachers

Student-Teacher Ratio

11:1

National avg.: 11:1

Tuition & Financial Aid

Admission Deadline

None / Rolling

Tuition Notes

$9,010 - Kindergarten, $7,040 - First Grade - Eighth Grade

Application URL

Online Application

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School Notes

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.

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.

Source: National Center for Education Statistics (NCES)

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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.

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Did You Know?

The average private school tuition in Philadelphia, PA is $12,234 for elementary schools and $18,734 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Philadelphia, PA is 82% (read more about average acceptance rates across the country).