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 Capital Territory In the city, temperatures stay mild, with snowfall over the higher elevations points on nearby hill stations, notably Murree and Nathia Gali. The temperatures range from in January to in June. The highest recorded temperature was on 23 June 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 Islamabad Capital