Top RankingsOverviewStudent BodyAcademics and FacultyTuition and Acceptance RateSchool NotesFrequently Asked QuestionsRelated SchoolsSchool ReviewsEdit School Profile
St. Mary's Preparatory is a Catholic, all-boys, college preparatory high school with a Polish-American heritage and legacy.
Our mission is to provide deserving young men the moral guidance, discipline, and education necessary to become Christian gentlemen, scholars, and men of service and leadership for the world.
By completion of our spiritual and educational model, these men can gain the fortitude, reverence, character, and preparation to meet all challenges for the greater glory of God and their alma mater.
Saint Mary's Preparatory is a four year secondary program of pre-college studies in a disciplined environment preparing young men for future study and careers of service.
The Prep has a day student and boarding school program.
St. Mary's Preparatory is a Catholic, all-boys, college preparatory
high school with a Polish-American heritage and legacy. Our mission
is to provide deserving young men the moral guidance, discipline,
and education necessary to become Christian gentlemen, scholars,
and men of service and leadership for the world. By completion of
our spiritual and educational model, these men can gain the
fortitude, reverence, character, and preparation to meet all
challenges for the greater glory of God and their alma mater. Saint
Mary's Preparatory is a four year secondary program of pre-college
studies in a disciplined environment preparing young men for future
study and careers of service. The Prep has a day student and
boarding school program.
Sample of notable school alumni/alumnae:
Source: National Center for Education Statistics (NCES)
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
Source: National Center for Education Statistics (NCES)
Request Information
Did You Know?
The average private school tuition in Oakland County, MI is $17,480 for elementary schools and $18,955 for high schools (read more about average private school tuition across the country).
