St. Mary's Preparatory Catholic High School
Orchard Lake Schools | SS. Cyril & Methodius Seminary | The Polish Mission Attendance line: 248-683-0415

2019 Prep Summer Office Hours

8:00 am – noon: Tuesdays, Wednesdays, Thursdays


All school offices closed June 30th thru July 6th

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


Upcoming Events


The Mary Project

The Mary Project is dedicated to the beautification of the Marian Grotto of Our Lady of Lourdes at Orchard Lake St. Mary’s.

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