That is, they lose many of the best students and many of the poorest student and only a small percentage from the middle. They are in the midst of an experiment to correct that.
Early results show that they have met with success.
I attended a talk about this today. It was presented by Dr. Marimi Matsushita who is a professor of math there. I asked her permission to broadcast her phone number and address for possible questions from RIT faculty. The Fs were greatly reduced in both the upper and lower groups. To use the methods employed it was necessary to have a large enough group of students to fill at least three sections of the course.