She is only concerned about her child who went to this school and what could happen to her child if Mark Vanitas ever went out of control.
"Did we not all see what happened with Mark and that Calamity Class on the news? His power and strength are a danger to every student in this school, and he should not be allowed close to them for their own safety. What will we tell the parents of these poor children if Mark gets annoyed someday and destroys the entire school because someone looked at him in the wrong way!? He has more than enough power to do just that! Why would we be willing to put such unease into the heart of our parents?"
