Officials say offering fewer in-person courses is part of the future for some higher education institutions, a change that is being driven not just by the pandemic but by student demand. Virtual classes for the fall semester vary widely across Michigan’s 15 public universities, from 3 percent at Michigan Technological University to 56 percent at the University of Michigan Flint campus, from 10 percent of classes at UM Ann Arbor to 46 percent at Central Michigan University.Virtual classes for the fall semester vary widely across Michigan’s 15 public universities, from 3 percent at Michigan Technological University to 56 percent at the University of Michigan Flint campus, from 10 percent of classes at UM Ann Arbor to 46 percent at Central Michigan University.