Draco Malfoy, Matteo Riddle, Theodore Nott, and Graham Montague were all forced to go to this reformation magical college or be forced to go to Azkaban as a way to make up for their crimes in the war.

It didn't help that it was going to be held at Hogwarts, the same school that was once destroyed by other deatheaters.

The four of them loaded into the cart, only to realize there was one other person in the compartment. "Is this cart taken?" Draco asked.