St. Ann’s Senior Secondary School, Dehradun is an Educational Institution, run by the catholic minority community, named after the sisters of St. Ann, established in the year 1953 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 their 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.
In India, they have several schools in Andhra Pradesh, Assam, Bihar, Chhattisgarh, Goa, Gujarat, Karnataka, Kerala, Maharashtra, Tamil Nadu, Uttarakhand, Uttar Pradesh and autonomous colleges in Andhra Pradesh and Telangana.