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 Stats (2025)
- Top Ranked PA School
- Grades: 9-12
- Enrollment: 480 students
- Yearly Tuition: $25,175
- Average class size: 15 students
- Application Deadline: Oct. 30
- Source: National Center for Education Statistics (NCES)
Top Rankings
Mount St. Joseph Academy ranks among the top 20% of private schools in Pennsylvania for:
Category
Attribute
Student Body
School History
School Resources
School Overview
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1858
Colors
White, Gold, Purple
School Calendar
Awards
Blue Ribbon School - Selected in 2014
Student Body
Total Students
480 students
Student Body Type
% Students of Color
9%
State avg.: 27%
Students by Grade

Academics and Faculty
Total Classroom Teachers
48 teachers
Student : Teacher Ratio
10:1
National avg.:
Average Class Size
15 students
Number of AP Courses
15 courses
Tuition and Acceptance Rate
Admission Deadline
Oct. 30
Yearly Tuition Cost
$25,175
Admissions Director
Carol Finney
Admissions Associate
Sharon Statmore
Application URL
Endowment Size
$50 million
School Notes
- School Motto: On the education of women largely depends the future of society.
- School Mascot: Magic
- 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)
Frequently Asked Questions
How much does Mount St. Joseph Academy cost?
Mount St. Joseph Academy's tuition is approximately $25,175 for private students.
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, Oldest founding date and Largest endowments.
When is the application deadline for Mount St. Joseph Academy?
The application deadline for Mount St. Joseph Academy is Oct. 30.
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.
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