Your itinerary ought to feature a stroll through University of St. Gallen. It's a well-known local institute with a lively campus.
You'll soon discover why this St. Gallen modern university is a hit with travelers. If you're looking for more to see and do here, Abbey Library of Saint Gall, Freizeit Santispark, and Abbey of St. Gall are in this area too. They won't take long to reach from University of St. Gallen.