St. Mary's Preparatory Catholic High School OLS The Polish Mission SSCMS
Welcome to St. Mary's Catholic and Boarding High School

St. Mary's Preparatory - A Catholic, College Prep, All-Boys High School for Day and Boarding Students

St. 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 is accredited by the State of Michigan Board of Education, the Archdiocese of Detroit, and MNSAA/MANS. Almost 100% of our graduates attend college. "If the Orchard Lake Schools did not exist, it would be necessary to establish them." -- Pope John Paul II

Open House

Sunday, Oct 28, 2018
Mass @ 9am
Tours 10:00 a.m.-1:00 p.m.
Pre-register for the Open House!

Upcoming Events

Announcements

Open House

Sunday, Oct 28, 2018
Mass @ 9am
10:00 a.m.-1:00 p.m. Tours
Pre-register - Open House!