I have sent students to university from other worlds. Only recently had two sims attend while living in an apartment in Evergreen Harbour. They could apply for scholarships and enroll for university with their computer or mailbox. The classes were just like going to a base game job or school for teens. My sims just vanished at the edge of the lot.
To be honest I enjoyed it this wat because last time when I had a sim live on campus she was always late to classes because it took forever to get to the right building. And I always had trouble to figure out which building her classes would be in.