Mount St. Joseph Academy (Top Ranked Private School for 2026-27)

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About the School

Mount Saint Joseph Academy, located in Flourtown, Pennsylvania, a suburb of Philadelphia, is the longest continuously operating private independent Catholic girls high school in the Delaware Valley.
As a college preparatory school, Mount Saint Joseph Academy assists young women in realizing their fullest potential.
The Mount is imbued with a spirit of unity and reconciliation, the special charism of the Sisters of St. Joseph.
Dedicated faculty are committed to a holistic education enriched by the values of the Catholic church.
Within an environment that fosters excellence tempered by gentleness, individual students are recognized and valued.
Academically challenging programs, which are teacher-directed and student-centered, ensure a well-rounded education with an emphasis on social responsibility.
Committed to preparing women for leadership roles, Mount St. Joseph Academy enables students to meet the moral and ethical challenges of an ever-changing society and a technological future.
Trusting in the wisdom echoed by an early Constitution of the Sisters of Saint Joseph, the mission asserts that "On the education of women largely depends the future of society.".

Quick Facts (26-27)

Top Ranked PA School
Grades: 9-12
Enrollment: 480 students
Application Deadline: Oct. 30
Source: National Center for Education Statistics (NCES)

School Rankings

Mount St. Joseph Academy ranks among the top 20% of private schools in Pennsylvania for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade

Grade	Mount St. Joseph Academy
9	120
10	120
11	120
12	120

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Year Founded

1858

Awards

Blue Ribbon School - Selected in 2014

Campus Size

78 acres

School Motto

On the education of women largely depends the future of society.

Student Body

Total Students

480 students

Student Body Type

All-girls

% Students of Color

State avg.: 27%

Academic Profile

Total Classroom Teachers

48 teachers

Student-Teacher Ratio

10:1

National avg.: 11:1

School Membership(s)School Assoc.

International Coalition of Girls' Schools (formerly NCGS) (ICGS)
Pennsylvania Association of Independent Schools (PAIS)

Tuition & Financial Aid

Admission Deadline

Oct. 30

Admissions Director

Carol Finney

Admissions Associate

Sharon Statmore

Application URL

Online Application

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Sports

Colors

White, Gold, Purple

School Mascot

Magic

School Notes

As a college preparatory school, Mount Saint Joseph Academy prepares young women to realize their fullest potential. The Mount is imbued with a spirit of unity and reconciliation, the special charism of the Sisters of St. Joseph. Dedicated faculty are committed to a holistic education enriched by the values of the Catholic church. Within an environment that fosters excellence tempered by gentleness, individual students are recognized and valued. Academically challenging programs, which are teacher-directed and student-centered, ensure a well-rounded education with an emphasis on social responsibility. Committed to preparing women for leadership roles, Mount Saint Joseph Academy enables students to meet the moral and ethical challenges of an ever-changing society and a technological future. Trusting in the wisdom echoed by an early Constitution of the Sisters of Saint Joseph, the mission asserts that "On the education of women largely depends the future of society."

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

What schools are Mount St. Joseph Academy often compared to?

Mount St. Joseph Academy is often viewed alongside schools like Gwynedd Mercy Academy High School by visitors of our site.

What is Mount St. Joseph Academy's ranking?

Mount St. Joseph Academy ranks among the top 20% of private schools in Pennsylvania for: Largest student body and Oldest founding date.

When is the application deadline for Mount St. Joseph Academy?

The application deadline for Mount St. Joseph Academy is Oct. 30.

School Calendar

View the Mount St. Joseph Academy yearly calendar below. Note key dates such as:

Event

Date

Thanksgiving Break-School Closed

November 26, 2026 (Thursday)

Thanksgiving Break- School Closed

November 27, 2026 (Friday)

Feast of the Immaculate Conception - School Closed

December 08, 2026 (Tuesday)

Christmas Break- School Closed

December 18, 2026 (Friday)

Christmas Break- School Closed

December 21, 2026 (Monday)

School Reviews

5 6/17/2022

The Mount shaped my friends and me into the people we are today - bold women unafraid to speak up, work in male-dominated settings, and assume leadership roles with ease. I will forever be grateful to the Mount and think fondly of my time there.

- Posted by Student/Alumni - Kate

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Did You Know?

The average private school tuition in Montgomery County, PA is $22,737 for elementary schools and $31,721 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Montgomery County, PA is 81% (read more about average acceptance rates across the country).