St. Mary's Church is a Catholic parish located in Ballston Spa, New York. It is located within the Roman Catholic Diocese of Albany. Father Francis R. Vivacqua is the current pastor. St. Mary's is the fourth oldest parish in the Diocese. St. Mary's of Ballston Spa has a mission church, St. Mary's of Galway.
St. Mary's Catholic School is located next to the church in Ballston Spa. Students grades KâÂÂ5 are enrolled at the school, and there is also a pre-school. The current principal is Katie Fleming.