St. Mary's Senior Secondary School, Moradabad is an Educational Institution, run by the catholic minority community, named after the sisters of St. Ann, established in the year 1954 and is affiliated to and recognised by the Central Board of Secondary Education, New Delhi.

The sisters have their houses in Italy, India, USA, Switzerland, Brazil, Mexico, Peru, Argentina, Philippines and Cameroon fulfilling its mission of Christian formation of children and youth and at the same time renders other charitable services like health care, social work and education for the poor.