International School of Zanzibar Africa, Tanzania, Zanzibar, in the Mazizini area which is 5 minutes from the airport and 10 minutes from Stone Town. 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.
Sultanate of Zanzibar furthered the country's progress toward abolishing slavery. According to the 16th-century explorer Leo Africanus, the native inhabitants of the Zanzibar (Zanguebar) sultanate were for the most part pagans with curly hair and a black complexion. However, the denizens of the northernmost Zanzibar kingdom of Malindi were Muslims of an almost white complexion, with some pagan black inhabitants among them. Until 1884, the Sultans of Zanzibar controlled a substantial portion of the Swahili Coast, known as Zanj, and trading routes extending further into the continent, as far as Kindu on the Congo River. That year, however, the Society for German Colonization