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About Us

St. Mary’s is one of the most prestigious schools of Kolkata (erstwhile Calcutta) and has one of the most spacious campuses in the city comprising two football fields, an auditorium, a basketball court, a skating rink, parks, badminton court and class rooms. The school also has a library, computer centres, laboratories and a chapel hosting mass and other holy events.

As the school was also a residential school for orphans and the underprivileged till 2006, it also has dormitories, a dining hall and a kitchen, along with servants’ quarters and the three main school buildings. However, the boarding closed down in 2004 and the school is now run as a day school only.

St. Mary’s provides education under the ICSE/ISC board, New Delhi and is run by the Congregation of Christian Brothers of Ireland. SMO has classes from the Kindergarten section up to +2 level i.e. Class XI and XII (Commerce section only). From the 2012 session admission of girls to the +2 level has started, breaking the school’s long-standing reputation of being a premier boys’ only school in Calcutta.