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Mount St. Joseph Academy

120 W Wissahickon Avenue Flourtown, PA 19031

Quick Facts (2026-27)

  • Top Ranked PA School
  • Grades: 9-12
  • Enrollment: 480 students
  • Yearly Tuition: $25,175
  • Application Deadline: Oct. 30
  • Source: National Center for Education Statistics (NCES)
Mount St. Joseph Academy Photo #1 - Graduates of Mount St. Joseph Academy, an all-girls private Catholic high school in Flourtown, PA, carry with them the lessons imparted by the Sisters of St. Joseph--they seek to help the dear neighbor, and are ready for any good work.
Mount St. Joseph Academy Photo #2 - Mount Saint Joseph Academy, an all-girls private Catholic High School located in the Philadelphia area suburbs, has been educating founders since 1858.
Mount St. Joseph Academy Photo #3 - Mount St. Joseph Academy in Flourtown, PA, is a private, selective day school for young women in grades 9 through 12, offering a college preparatory education in the Catholic tradition and context.
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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 (2026-27)

  • Top Ranked PA School
  • Grades: 9-12
  • Enrollment: 480 students
  • Yearly Tuition: $25,175
  • 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:

Category
Attribute
Student Body
School History
School Resources

School Facts

Religious Affiliation
Grades Offered
Grades 9-12
Students By Grade
Year Founded
1858
Awards
 Blue Ribbon School - Selected in 2014
School Motto
On the education of women largely depends the future of society.

Student Body

Total Students
480 students
Student Body Type
% Students of Color
9%
State avg.: 27%

Academic Profile

Total Classroom Teachers
48 teachers
Student-Teacher Ratio
10:1
National avg.:
Number of AP Courses
15 courses

Tuition & Financial Aid

Admission Deadline
Oct. 30
Yearly Tuition Cost
Admissions Director
Carol Finney
Admissions Associate
Sharon Statmore
Application URL

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)

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 Calendar

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

Event
Date
President's Holiday - School Closed
November 02, 2026 (Monday)
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)

School Reviews

5  
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

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Did You Know?

The average private school tuition in Montgomery County, PA is $23,294 for elementary schools and $30,948 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Montgomery County, PA is 73% (read more about average acceptance rates across the country).

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