International School of Islamabad International School of Islamabad International School of Islamabad (ISOI) is an international school in Islamabad, Pakistan, serving K-12. Established in 1965, it moved to its present site in Islamabad in 1975. Previously it was located in Rawalpindi. The United States Military Advisory Aid Group (USMAAG) established a one-room school in Rawalpindi, Pakistan in 1965; the school moved to a prefabricated building located on of land in January 1966. While the school was in Rawalpindi it served grades K-8. Initially the younger students directly took classes while correspondence course were used for higher grade levels. Wives of UMAAG employees taught the
Islamabad 2005 while the lowest temperature was on 17 January 1967. The city has recorded snowfall. On 23 July 2001, Islamabad received a record-breaking of rainfall in just 10 hours. It was the heaviest rainfall in Islamabad in the past 100 years and the highest rainfall in 24 hours as well. The main administrative authority of the city is the Islamabad Metropolitan Corporation (IMC) with some help from Capital Development Authority (CDA), which oversees the planning, development, construction, and administration of the city. Islamabad Capital Territory is divided into eight zones: Administrative Zone, Commercial District, Educational Sector, Industrial Sector, Diplomatic Enclave,