Mount Saint Joseph Academy, a boarding school for elementary and high school girls, opened on September 7, 1885.
The Academy was founded by the Congregation of the Sisters of Saint Joseph of Boston, to educate and prepare students with a sound secular education combined with Catholic religious instruction.
Mount Saint Joseph Academy, a Catholic High School for young women, provides a college preparatory education in a community of lived Christian values.
Founded and sponsored by the Sisters of Saint Joseph of Boston, Mount Saint Joseph Academy promotes academic excellence, cultivates respect for all people, fosters unity and reconciliation, and educates young women for compassionate leadership and service.
School Overview
Religious Affiliation
Grades Offered
Grades 9-12
Student Body
Total Students
210 students
Student Body Type
Co-ed
% Students of Color
39%
State avg.: 29%
Students by Grade

Academics and Faculty
Total Classroom Teachers
23 teachers
Student : Teacher Ratio
9:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- Mount Saint Joseph Academy, a boarding school for elementary and high school girls, opened on September 7, 1885. The Academy was founded by the Congregation of the Sisters of Saint Joseph of Boston, to educate and prepare students with a sound secular education combined with Catholic religious instruction. Mount Saint Joseph Academy, a Catholic High School for young women, provides a college preparatory education in a community of lived Christian values. Founded and sponsored by the Sisters of Saint Joseph of Boston, Mount Saint Joseph Academy promotes academic excellence, cultivates respect for all people, fosters unity and reconciliation, and educates young women for compassionate leadership and service.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for St. Joseph Preparatory High School?
The application deadline for St. Joseph Preparatory High School is rolling (applications are reviewed as they are received year-round).
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