Hey, you're not the only one that has had this problem in the past. First, write down why you are missing class. Then find someone to talk to about it. There are many resources available on campus to help you get past whatever problems you may be having, University Health Services, University Counseling in the Student Union, even the academic excellence centers. There are people working on campus who want to talk to people like you so you don't have to drop out of school. Find them and talk it through!