International Indian School Dammam or IISD (formerly Indian Embassy School Dammam) is an English-medium K-12 Indian school in Saudi Arabia, and the largest school in the MENA region by number of students. Most of its 18000+ students come from in and around Al-Dammam and Al-Khobar. It was established in 1982 with 250 students and 15 teachers in a few portacabins and inaugurated by the then Indian Prime Minister Indira Gandhi.