Nobles wore gorgeous and showy clothes that minded things like their prestige or their fashion sense.
Commoners didn’t have the financial flexibility to worry about such things and so they had simple clothing.
Allowing entry with being a noble or commoner having no part in it, Lizwadia expressed that they were equals, but, despite this, the students still looked down upon those that were born inferior to themselves, and despised them. Although it had not become a huge problem, it certainly had become a problem.