The St Joseph’s Old Boys’ Association was formed in 1918. Today it stands at a 7,000 strong membership across the world. Through the year, the OBA works to support the school in multiple ways - generously giving back to their alma mater

The process to form the Old Boys' Association (OBA) was initiated in 1901 but it took formal shape only in 1918, after the war. The First General Body Meeting was held in 1919 and there was no looking back from then onwards. With a 7,000 thousand strong membership today, the OBA has chapters in four continents. The major overseas chapters are North America (US and Canada), Middle East, UK, Australia and Singapore. In India, OBA chapters are running in Kerala, Coorg, Goa and most recently, Delhi.

Between 2001 and 2006, the OBA played a significant role in funding the construction of the new school building. The OBA also supported the School in the construction of its modern Sports Complex in 2009, with facilities such as an indoor temperature controlled swimming pool, an indoor cricket pitch with bowling machines, airgun shooting area, badminton courts, indoor basketball, snooker and table tennis.

The OBA undertakes many activities to benefit the students and staff of the school:

1. Academic Scholarships for Needy Students

2. Academic Prizes for Students

3. Sports Scholarships and Prizes for students of the School

4. Mid-day meal scheme for Needy Students

5. Health and Accident Insurance for Teaching and Non-Teaching staff

6. Teacher Training Programmes

7. Career Day and Career Mentoring for the students of Std 10 to Std 12

8. Innovation Lab for the students of Std 8 to Std 12

9. The OBA Buzz – inter-house cultural competitions conducted in the School

10. Josephite Excellence in Sports (JOSEXCEL) - honouring sporting achievers - Old Boys as well as current students of the School

11. Prestige OBA Golf Tournament

12. Inter-Batch and other Sporting Competitions for Old Boys Annual Awards presented by the OBA

13. OBA Lifetime Achievement Award

14. OBA Significant Achievement Awards St. Joseph's Old Boys have made a mark by scaling the highest levels of excellence in several walks of life around the world.

Notable Josephite achievers include: J Y Pillay (Chairman of the Council of Presidential Advisers, Singapore and former acting President, Singapore), Irfan Razack, (Chairman & MD, Prestige Group), George Kurian (CEO, NetApp), Thomas Kurian (Sn Vice President, Google), Mario Miranda (noted cartoonist), Rahul Dravid, (former Captain of the Indian cricket team), Vece Paes (member of the Olympic Bronze medal winning Indian hockey team in 1972), Jimmy Anklesaria, Sabeer Bhatia (founder of Hotmail), Mark Mascarenhas (Founder & Former President, WorldTel), Air Marshall Trevor Osman (Vice Chief of Air Staff), Air Marshall Minoo J. Dotiwala, Mahavir Chakra, Lt Gen Venu Menon, Brig. Desmond Hayde, Retd. (Battle of Dograi, 1965), Ben Gomes (VP, Google), Krishna Bharat (creator of Google News), T Venkat Vardhan (Founder, DNA Entertainment Networks), Christopher Lynn, IAS (Retd.) and Cecil Noronha, IAS (Retd.) (former Chief Secretaries, Govt of Karnataka), Padmasri Humayun Mirza (civil service, 1955), Walter De Souza & Jansen Patrick (Olympic Gold Medal winners for India in Hockey, 1948) Padmasri Prof. Dipankar Banerjee (IISc & Former chief controller of R&D, DRDO) and seven Indian Army Major Generals among others who have brought glory to their alma mater.

Other Old Boy achievers in sports include: Robin Uthappa, Sadanand Vishwanath (Cricket), Albert Shaw, Anil Aldrin, Sandeep Somesh (Hockey), Hakimuddin Habibulla, Rehan Poncha (Swimming), current Thomas Cup Captain Anup Sridhar (Badminton), C S Santosh (ace motorcycle rallyist), among many others.

Overview of Achievements by Old Boys: 9 Olympians Several High Ranking Officers in the Indian Armed Forces Several Successful Social Entrepreneurs 4 Captains of Indian National Sports teams Over 60 Members of the Catholic priesthood.