Judging from the extent of your mistakes, the general college won't really remember. That year was just an observation period. You can cancel if you behave well. However, you'd better not make any mistakes this year, or the school will deal with it seriously. In terms of time, it makes no difference whether you are at school or not. As long as the counselor keeps in touch with you and keeps a good relationship with your studies. It is very important to maintain a good relationship with the counselor.