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 I-8 to I-18. With the exception of I-8, which is a well-developed residential area, these sectors are primarily part of the industrial zone. Currently two sub-sectors of I-9 and one sub-sector of I-10 are used as industrial areas. CDA is planning to set up Islamabad Railway Station in Sector I-18 and Industrial City in sector I-17. Zone III consists primarily of the Margalla Hills and Margalla Hills National Park. Rawal Lake is in this zone. Zone IV and V consist of Islamabad Park, and rural areas of the city. The Soan River flows into the city through Zone V. While