I am in the Delayed enrty program for the Air Force can i get out?

I am in the DEP for the Air Force and i ahve already sworn in one time and and signed my contract. I have been in the dep for about 4 months and i am supposed to leave in one month I will be graduating high school in a week and I have changed my mind about the millitary and Id rather go to school instaead can i get out of the DEP with out it ruining my record or without getting in the way of further employment? PLEASE HELP!