I need more opinions on my story...help as well ...thanks!?

Your plot sounds really weird, but possibly also wonderful! You obviously have an active imagination! It does sound just a bit Harry Potterish, the school part, but the rest seems fairly original to me. I think that what you should do is to begin the actual writing. Take your time; don't rush through it or be in a great hurry to tell the story. Be sure to use lots of dialogue and descriptions which are natural to the story-line. You seem to have expended much thought planning the plot. When you put your concepts into words, I think that you'll find the answer to the way that your story should end. I've written two novels of Atlantis which, as I wrote, seemed be revealed to me -- almost as if I were "channeling" them. You really wouldn't want someone else to decide your ending for you; you'll know what it will be as you reach it! Anyway, the experience of completing a potential novel will be great for you; see what you can do! And, good luck!