At the beginning of the 20th century the school was consisted of 3 storied main building and another 2 two storied separate buildings. In the main building, on the ground floor usually classes were held and on the first floor, in one part classes were held and in the other part missionary fathers were used to live. The 2nd floor was completely used by the fathers and brothers of the school.


Classes were also held in tin-shed concrete building in northern side and western side of the school. Previously school’s main gate was on the northern side just opposite to Dhaka municipality and just after the gate, there was a spacious compound by the side of the main building and the church. The school had a small and a big playing fields for boys to play. There was also a tennis and a basketball court.