I did the CFI program at ATP in Jacksonvillle. What location do you want to do? Jacksonville was extremely busy with a lot of Admin people everywhere, so be on your best behavior. I felt that there wasn't enough 1-on-1 time with students. Make sure that no matter what happens you know the FOI, Endorsements like the back of your hand. Everything else they will teach you by means of a slide show, yes I said slide show.