Brahmo Boys' School is one of the oldest schools in Kolkata with teaching grades from Pre-Primary to Twelve under the West Bengal Board of Secondary Education and West Bengal Council of Higher Secondary Education. The institution was established in 1904. The institution had glorious and golden past in the academic field of Bengal. Late Gurucharan Mahalanobish was the founder of this institution and late Prasanta Chandra Mahalanobish completed his school education from this institution.