 In July 2002, ISI was authorized to enroll Juniors and Seniors into the IB Diploma Programme (DP), officially making the institution an IB School.By 2004, ISI saw its first graduating class, consisting of 8 students.2009 was a formative year for the school, where the IB Primary Years Programme (PYP) and Middle Years Programme (MYP) began to be incorporated into the curriculum in grades 1-5 and 6-10 respectively.