 ISI received certification for both programs in 2011, giving them the distinctive honor as the only school in the Midwestern United States to offer IB, MYP and PYP diplomas to its students.In addition to this, ISI announced the launch of its Mandarin Chinese immersion program for students in the same year.In 2014, ISI was recognized by The Washington Post as one of the most challenging High Schools in the country, due to the enduring nature of the IB Diploma Programme and the fact that all students are required to sit for these college-level exams at the end of their Senior year.