Established - 2001 Diamond Drill Sr. Sec. Public School Co-educational English Medium, Day Scholar & Boarding International school affiliated to CBSE New ? Delhi, Pre ? Nursery to XII. Hostel is available only for Boys (Class I to XII). Diamond Drill Sr. Sec. Public School was established by Dr. Jagat Singh & his wife Smt. Leela Singh in 2001, ?Chairman & Founder of Diamond Drill Public School, Education society.? Chairman has been appreciated many times by the Education Board for national merits (marks above 80%) & continuous 100% results of board classes. The society is run by eminent educationists, bureaucrats and people of repute with a purpose to prepare our children for the real life.