I believe that something surely can be done about you graduating...having a purpouse in life is such an important thing rest assured that you do have one and that regardless of what happens you will "teach" in the way that you might have wanted to? perhaps/perhaps not, but nothing will keep you from purpouse except if you give up...it looks bad right now, but hold on...you've been thru things in the past that seemed so bad and had them turn around for you right? just hold on to your dream!