RBM SR. Sec. school has a magnificent auditorium at school premises which is fully equipped with audio-visual facilities, having a seating capacity of a large number of students. All the celebrations, conferences, PTM, academic seminar, awards ceremony, business conference and important meetings are held here. The Auditorium is fully air conditioned and well furnished. Auditorium serves as a platform where students showcase their talents on various cultural, literary and other events.