Avoid "full sail academy" and stupid schools like you find in the back of magazines.
Everybody thinks they are the next Spike Jonze or Brian Depalma, but they're not. Their ideas are rehashed and not new. They are not hip or cool and they are copying someone else's work.
People don't need ti be cocky. They need to learn how to light a scene and be a pro.
Always have backup batteries and never take no for an answer. If that means physically beating your competition with your tripod, so be it.
Understand this: most people in the entertainment field are damaged or broken and you can basically bully your way through most of these drama geek types anyway.
If you are hot, you will be hired. If you have a relative in the biz, you *might* be hired. See how hard it is? Good luck.