Established in 2007, Kathmandu Don Bosco/Kanjirowa Alumni has been active medium to connect with former students of the school. Alumni has its chapters in India, USA, UK and Australia. Apart from bonding the students, alumni has been socially active by initiating various events. It has conducted events like creative writing workshop, blood donation, cleaning campaigns and leadership workshop to name a few. With each passing year the alumni has been contributing much not only to the school but also to the society.