The Dhirubhai Ambani International School (DAIS) is a private co-educational LKG-15 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.