LA grad as well, just like dude in the second reply.
I pretty much second what he said.
My advice is to know what you're getting into. Like dude was saying, roughly half the class made it to the end of the program. A lot of people I felt like got into it expecting one thing, and it ended up not being what they thought, or they weren't willing to put in the work necessary to get through the program. Some other people had this mentality that they were there to make beats.
I don't work in the recording industry but I do work in entertainment, and while what I learned in the ATP isn't being directly applied to my line of work, the concepts and understanding that I gained regarding equipment, I use on an almost daily basis. It's a good starting point for learning things you will need to know, and I had a great time while I was there.
One random thing, their loans are done through Sallie Mae, and for whatever reason I can't deduct interest from this loan when I file my taxes.. Just something to keep in mind if you are taking out a loan to attend.