Mount St. Joseph Academy
Independent Catholic school · Grades 9–12
Flourtown, PA
120 W Wissahickon Ave, Flourtown, PA 19031
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- ACollege-going
- A-Years serving families
- B+Diversity
What stands out
- Smaller classes than 81% of Catholic schools in Pennsylvania
- 100% of graduates go to four-year colleges
- Serving families in Flourtown since at least 2011
In Flourtown, Pennsylvania, Mount St. Joseph Academy is an independent Catholic school for students from 9th grade through 12th grade. About 478 students attend, with roughly 9 students per teacher, smaller classes than 81% of Catholic high schools in Pennsylvania. It has been listed in official private school records since 2011–12. The school is an all-girls school and is part of the Archdiocese of Philadelphia. The school reports that about 100% of its graduates go on to four-year colleges. The school day runs about 7 hours, 165 days a year. Pennsylvania has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades 9–12
- Students
- 478
- Teachers
- 52.6 (full-time equivalent)
- Students per teacher
- 9.1
- Boys and girls
- All girls
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Archdiocese of Philadelphia
- School day
- About 7 hours
- School year
- 165 days
- Graduates going to 4-year colleges
- About 100% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 81% of Catholic high schools in Pennsylvania (9 students per teacher).
- Larger than 56% of Catholic high schools in Pennsylvania.
- Compared with 57 Catholic high schools in Pennsylvania.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
- National Association of Independent Schools
Help paying tuition in Pennsylvania
These state programs can help pay private school tuition. Only participating schools can accept them, so ask Mount St. Joseph Academy whether it takes part.
- Opportunity Scholarship Tax Credit (OSTC) · Tax-credit scholarship
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Mount St. Joseph Academy
What grades does Mount St. Joseph Academy serve?
Mount St. Joseph Academy serves grades 9–12.
How many students attend Mount St. Joseph Academy?
About 478 students, with 9 students per teacher, according to official records.
How much is tuition at Mount St. Joseph Academy?
Call the school to ask about tuition, financial aid and payment plans. Pennsylvania has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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