Established at Chestnut Hill in 1858, Mount Saint Joseph Academy is a private, selective day school for girls in grades 9 through 12, offering a college preparatory education in a Catholic tradition and context.

Mount Saint Joseph Academy is situated on 78 acres in Springfield Township, Montgomery County. The Mount's pastoral setting lies just outside the community of Chestnut Hill, an urban village with a cultural life of its own and ready access to downtown Philadelphia. The student body commutes from approximately 26 school districts. Enrollment is 531 students, and the average class size is 20.

In 2017, Mount seniors were offered $27,752,694 in scholarship dollars from colleges and universities.

Click here to see a list of college acceptances for our seniors for the 2016-2017 school year >>

Fast Facts


of Mount graduates attend a post-secondary institution.


student-to-teacher ratio


average class-size ratio


awarded in financial aid during the 2016-2017 school year.


Mount Saint Joseph Academy is accredited by the Pennsylvania Association of Independent Schools (PAIS) and was previously named a U.S. Department of Education National Blue Ribbon School.