doon has consistently been ranked among the best residential schools of india by media such as "the times of india" and "outlook". doon remains a boys-only school despite continued pressure from political leaders, including president pratibha patil, to become coeducational. former students of the school are commonly known as "doscos". although the total number of doscos is relatively small (estimated at 5,000 since the school's founding), they include some of india's most prominent politicians, government officials and business leaders. the best known alumnus is former indian prime minister rajiv gandhi.