An LKG-12 school founded in 2003, Dhirubhai Ambani International School prepares students for the Indian Certificate of Secondary Education (ICSE), the International General Certificate of Secondary Education (IGCSE) and the International Baccalaureate Diploma Programme (IBDP) examinations. The School is also a member of the Cambridge International Primary Programme (CIPP)The Dhirubhai Ambani International School (DAIS) is a private co-educational LKG-12 day school in Mumbai, Maharashtra, India, built by Reliance Industries, named after the late patriarch of the conglomerate, Dhirubhai Ambani. The school was established in 2003 and has been an IB World School since January 2003. It offers the International Baccalaureate Program in its Diploma form. Nita Ambani, wife of Mukesh Ambani is the chairperson of the school. Education World ranks DAIS India? No. 1 International School.