St. Paul's High School is running in its own big building having more than 50 big rooms in 1,40,000 sq.ft. Covered area in the form of three Story Building. It has sufficient number of Class-Rooms, Labs-Room, Demonstration-Room, Language lab, Community Display Room, Auditorium, Audio Visual Aid facilities, Examination Hall, Common Room, Record Room, Recreation Rooms and Visitors Rooms.

It has well-stacked library with more than 2,000 volumes of books and a good number of journals and periodicals are subscribed for the benefit of the students and staff. The Reference Section has a variety of standard encyclopedias, dictionaries and standard reference books on almost all topics at the school level.