Thomas Chhitokulam TOR, were considered to be instrumental in the development of the school.

The school was split into the Junior Section (Nursery to Class V), which is located on the original campus, and the Senior Section (Class Nursery onwards) on the new campus built east of Bhagalpur in the vicinity of Ranitalab and the Bhagalpur Engineering College.

The school is equipped with a basketball court, a volleyball court, a games field, an athletic field, an auditorium for parents' and children's day celebrations, a large hall, a modern computer lab, and science labs.

Mount Assisi School is one of the few institutions in Bihar with a continuously running school magazine, printed nearly every academic year; it is named MASCO.

Each house competes in competitions throughout the year, such as quiz, dance, and music (instrumental as well as vocal).

[4] The school, represented by Vighnesh Mishra and Shashank Shekhar, won the 2019 CCCC 7.0 Bhagalpur city round held on 7 August 2019.