The University of Zo-Ro was a college on the planet Colstev. It was the site of a massacre conducted by the Imperial Military against the students, who were often dissidents.
Jin-Rio Akabi survived the massacre, which convinced her to join the Rebel Alliance.
Behind the scenes
The University was mentioned in Jin-Rio's Character Folio included with Fantasy Flight Games' 2014 roleplaying game Star Wars: Age of Rebellion Beginner Game.
Sources
Jin-Rio Character Folio on Fantasy Flight Games' official website (backup link) (First mentioned)- Star Wars: Age of Rebellion Core Rulebook