Parent-Teacher Group (PTG) The mission of St. Mary School’s PTG is to strengthen our school community by uniting parents, teachers, and staff in support of Catholic education. Through collaboration and service, we aim to provide resources and experiences that enrich our students’ academic and spiritual growth. Get InvolvedInterested in supporting our students and school community? Have questions or want to join PTG?Contact ptg@stmesc.org. Volunteer Requirements: Please click here to view Diocesan requirements to volunteer at St. Mary School.