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Fast Facts

Facts and figures alone can't convey the true spirit of St. John's, but they can give you a sense of who we are. 

  • Location: 175-acre campus, 15 miles northeast of Boston.
  • Enrollment: Approximately 330 Middle School students and 1,170 High School students from around 90 communities in Massachusetts, New Hampshire, and Maine.
  • Tuition Assistance: $9.2M in tuition assistance offered for the 2023–2024 school year.
  • Average class size: 16 Middle School and 18 High School.
  • Student-teacher ratio: 10:1 in the Middle School and 11:1 in the High School.
  • Faculty: 80% of faculty have advanced degrees.
  • Advanced Placement: 23 courses.
  • College matriculation: 99 percent of graduates go on to 4-year colleges and universities.
  • Alumni: 17,053 graduates since 1907.
  • Faith: Students from all faith traditions find a home at the Prep; 70 percent are Catholic.
  • Technology: Robust digital citizenship curriculum; 1:1 iPad program; wireless campus; student access to more than 300 computer workstations and laptops.
  • Co-curricular activities: 90+ percent of students participate in more than 60 clubs and organizations.
  • Service: Campus Ministry, with programs like In Ryken Footsteps, offers service and cultural immersion opportunities locally, nationally, and internationally.
  • School nickname: The Eagles.
  • Athletics: 85 percent of students participate in 22 sports at the developmental through varsity level.
  • Recreational Sports & Fitness: Year-round recreational sports and lifelong fitness opportunities for students in grades 6 through 12.