Most adults are nervous about attending university classes.
Experience has shown us, however, that adults tend to do very well academically. A lot of this has to do with the fact that you probably are more focused. ETSU has a program called Academic Fresh Start that is for students who formerly attended a Tennessee Board of Regents institution. With this program, eligible students can start over with a clean slate. First of all, especially if you are just beginning your college career, you needn't be in a big hurry to select a major.