students, Nezu transformed U.A. into a boarding school with on site dorms in order to protect its students. The Heights Alliance was built in just three days. It is meant to protect the students and allows the teachers to keep close surveillance on the students. U.A. proposed the dorms to ensure their students' safety, but they fit another motive: Principal Nezu still hasn't nabbed the traitor, and keeping the students close will make it easier to investigate.