Founded in 1963, the well-established International School of Lusaka is one of the oldest international schools on the African continent, and is currently the third largest school in the Association of International Schools in Africa. ISL is accredited by the Council of International Schools (CIS) and the New England Association of Schools and Colleges (NEASC). ISL is also a member of the Association of International Schools in Africa (AISA) as well as the Independent Schools Association of Zambia (ISAZ).