St. Mary’s High School, Secunderabad is a Christian Religious minority institution managed by Hyderabad Archdiocese Educational Society and permanently recognised by Government, was established in the year 1885 by Rev. Fr. Valentino Bigi and administered within the scope and ambit of the safeguards of the Articles 29 and 30 of the Indian Constitution. This prestigious and elite institution situated in the heart of the city, caters to the educational needs of the students irrespective of caste and creed and has been rendering quality education with undiminished fervour for 134 Glorious Years. The school provides co-education from the academic year 2004 onwards.