Islamabad completed in March 2015. The Rawalpindi Development Authority built the project at a cost of approximately Rs 24 billion, which was shared by both the Federal government and the provincial government of Punjab. Islamabad is located at at the northern edge of the Pothohar Plateau and at the foot of the Margalla Hills in Islamabad Capital Territory. Its elevation is . The modern capital and the ancient Gakhar city of Rawalpindi form a conurbation, and are commonly referred to as the Twin Cities. To the northeast of the city lies the colonial era hill station of Murree, and to the
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.