 ISY does not have the personnel to provide for students with special needs who cannot be accommodated through differentiation in the classroom.In the 2015-2016 school year, there is a director, 2 principals, 2 assistant principals, an IB coordinator, 2 counsellors, an advancement team, a librarian, and 68 teachers and 21 teaching assistants.Classes have 20 to 23 students.