Your itinerary should include a visit to Minho University. It's a popular educational institution with a vibrant campus life.
You'll have sightseeing choices galore when visiting Braga. Minho University is an ideal place to kick off here, but there are numerous other worthy places to visit. Bom Jesus do Monte, Braga Cathedral, and Santa Barbara Garden are not far from the modern university and and will cap off your day nicely.