Mount St. Mary's School is a Patrician Brothers' School which is run by the Society of St. Patrick. It is located in Delhi Cantt, New Delhi on 75, Parade Road. The school was established in 1963 and is appreciated for the sound, moral, intellectual and physical education imparted to the children committed to it's care. Currently, the Principal is Rev. Bro. Dominic Jacob.
At Mount St. Mary's School, the modern infrastructure blends with the beautiful environs to provide a spectrum of learning activities that focus on integrated development. The school considers the formation of character the first essential of any sound educational system, and so great stress is laid on the inculcation of high ideals, gentlemanly behaviour and moral rectitude