STADIO DEMANDING 27K FROM SOMEONE WHO WANTS TO DEREGISTER?

CAN SOMEONE PLEASE TELL ME WHY IS THIS PRIVATE COLLEGE REQUESTING 27K TO BE PAID BY ME WHEN I DID NOT EVEN DO ANYTHING. I REQUESTED A DEREGISTRATION MONTHS AGO AND NOW THEY TELLING ME I HAVE TO PAY 27K BECAUSE OF THEIR DELAYED RESPONSE IN THEIR STUDENTS COMPLAINTS? THEY WANT MONEY BUT DO NOT TAKE RESPOND TO THEIR STUDENTS WHEN ASKING FOR HELP!