What's that whistle I hear between classes?

You're hearing the campus steam whistle, a.k.a. "Tooty-Toot" or "The Big Tooter." It is supposed to proclaim the end of class, although many professors "don't hear" it.


KU Info Twitter
One of 34 U.S. public institutions in the prestigious Association of American Universities
44 nationally ranked graduate programs.
—U.S. News & World Report
Top 50 nationwide for size of library collection.
5th nationwide for service to veterans —"Best for Vets: Colleges," Military Times
KU Today