 ISD is an IB World School offering the Primary Years Program (PYP), Middle Years Program (MYP), and the IB Diploma Program (DP).ISD is accredited by the Council of International Schools (CIS), the International Baccalaureate Organization (IBO), the State of North Rhine-Westphalia, and the New England Association of Schools & Colleges (NEASC).There are currently approximately 1,100 students enrolled at ISD from Pre-K to Grade 12.