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

Latest News

  • 2016 Chancellor's Christmas Concert

  • St. Mary's winning touchdown...

  • JJ & Marcin Interview

  • Michael Beckett

    Oct. 25, 2016 <br>
 Box Score - SOUTH BEND, Ind. - Freshman forward Michael Beckett scored his first career goal as the No. 13 Michigan State men’s soccer team stopped No. 12 Notre Dame, 1-0, Tuesday at Alumni Stadium.