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
Economy of Islamabad investments in the IT sector. Most of Pakistan's state-owned companies like Pakistan International Airlines, PTV, PTCL, OGDCL, and Zarai Taraqiati Bank Ltd. are based in Islamabad. The city is home to many branches of Karachi-based companies, banks, and TV channels. Headquarters of all major telecommunication operators such as PTCL, Mobilink, Telenor, Ufone, China Mobile and are located in Islamabad. According to the World Bank's "Doing Business Report" of 2010, Islamabad was ranked as the best place to start a business in Pakistan. Economy of Islamabad Islamabad is the capital of Pakistan and a net contributor to the Pakistani economy. Whilst