OSM School is raising up a new generation of exemplary learners and leaders, collaborating with a community of teachers, clergy, parents and parishioners who are dedicated to providing children with a Catholic education and developing them to their full potential – spiritually, ethically, intellectually, socially and physically in a caring, nurturing environment.

Our curriculum unlocks our students' potential and prepares them to succeed academically and to use God’s gifts in service to our world community.


Old St. Mary's offers:

  • A well-rounded education that develops strong intellectual habits

  • A supportive community growing in faith-based values

  • A catalyst for promoting character, integrity and leadership skills

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Old St. Mary's School,  1474 South Michigan Avenue, Chicago, Illinois 60605 |  info@osmschool.com  |  Tel: 312-386-1560

 Office Hours: Mon - Fri  7am-3:30pm