I am a full - time dependent student and I still live with my mother . When I turned 18 , they continued to send me child support for a few months , but stopped it around September 2012 . I was not a student then ( in fact I had just gotten my GED certificate a few months before that ) , but I am - I started in January 2013 - now . I wrote them a letter asking for reinstatement , but they rejected me due to the fact I had a " gap " in my education because I didn't enroll in fall semester . Is this even legal for them to do that ? I really need help financially !