Welcome to St.Mary's school . St. Mary’s School, Patiala is an educational institution run by Catholic priests of the Congregation of Carmelites of Mary Immaculate (C.M.I.), in the Catholic Church. More than a School, St. Mary’s is a beacon of qualities and a garden of virtues. The process of quality based formation of this Convent School paves the way to imbibe confidence in life. Maintaining the homely atmosphere, St. Mary’s always leads to excellence.