International School of Zanzibar International School of Zanzibar The International School of Zanzibar (founded in 1988) is a private international school located on the island of Zanzibar, Tanzania. It hosts students from over 20 countries, ages 2–16, from pre-kindergarten, to Year 12. The official language, and language of instruction of this school, is English. The academic program is based on the Cambridge International General Certificate of Secondary Education, the IGCSE. Currently, there are about 200 students enrolled in the school, from many different countries. The International School of Zanzibar (ISZ) was founded by parents from foreign countries as a play area for their children.
Zanzibar Revolution a long history of Arab rule dating back to 1698, Zanzibar was an overseas territory of Oman until it achieved independence in 1858 under its own Sultanate. In 1890 during Ali ibn Sa'id's reign, Zanzibar became a British protectorate, and although never formally under direct rule was considered part of the British Empire. By 1964, the country was a constitutional monarchy ruled by Sultan Jamshid bin Abdullah. Zanzibar had a population of around 230,000 Africans—some of whom claimed Persian ancestry and were known locally as Shirazis—and also contained significant minorities in the 50,000 Arabs and 20,000 South Asians who were