For most IHMS students, classes for the 2015 -2016 school year began on Wednesday, September 9th. Kindergarten students, who only attend on Monday, Wednesday, and Friday will attend school for the first time on Friday, September 11th, while Sadochok students. who only attend on Tuesdays and Thursdays, will attend school for the first time on Tuesday, September 15th. Kindergarten students and the Sadochok students follow a schedule based on the days of the week (Monday to Friday). They do not follow the same six day cycle that the rest of the school follows.
| Wednesday, September 9th. The first day for grades 1-8 |
| Friday, September 11th. The first day for Kindergarten |
| Tuesday, September 15th. The first day for Sadochok |
