St. Mary's School was established by the Roman Catholic Diocese of Allahabad in 1948 to cater to the psychological, physical, Moral and spiritual development of the boys and girls. It is a private minority and unaided school and aims at the education of the Catholic Community around and also extends its service to the members of other communities without any discrimination of caste, creed or language to the extent possible.
It is the aim of the institution to impart to its pupils a sound moral, intellectual, emotional, social and physical education according to Christian Principles.