St. Thomas~Good Counsel School is a Catholic elementary school, .grades K-8, .located in Bryn Mawr, .Pennsylvania,. that serves primarily the parishes of St. Thomas of Villanova and Our Mother of Good Counsel.. The school was established in 1981 through the merger of the former St. Thomas of Villanova School (est. 1908) and Our Mother of Good Counsel School (est. 1898).