Rawalpindi launched his "coup d'etat" from Rawalpindi. In 1959, the city became the interim capital of the country under Ayub Khan, who had sought the creation of a new planned capital of Islamabad in the vicinity of Rawalpindi. As a result, Rawalpindi saw most major central government offices and institutions relocate to nearby territory, and its population rapidly expand. Construction of Pakistan's new capital city of Islamabad in 1961 led to greater investment in Rawalpindi. Rawalpindi remained the headquarters of the Pakistani Army after the capital shifted to Islamabad in 1969, while the Pakistan Air Force continues to maintain an airbase
International School of Islamabad 165 students in January 2003, an all-time low, but enrollment recovered to 374 in 2007–2008. Enrollment declined after 2008. After the Islamabad Marriott Hotel bombing in October of that year, the United Nations and other organizations stated that Islamabad was not a family post, meaning employees of those organizations may not have their family members in the same city. Additional events in Pakistan and neighboring countries caused additional enrollment declines. Each year, 30% of the school's students are new students. Enrollment count: International School of Islamabad International School of Islamabad (ISOI) is an international school in Islamabad, Pakistan, serving K-12.