If you can get Arnold to be seen wearing a t-shirt with the name of your gym on it, not only are you an entrepreneur, but I dare say, a rather successful one at that. (This is contingent on him making another successful Terminator sequel or other action flick)
You don't need to really study if you are speaking of school. You should try and connect with a mentor that will help you in your Gym business that has already succeeded in that industry. Read this on how important having a mentor is: http://bit.ly/Nwpc8q Congratulations on being an entrepreneur!