Board Thread:General Discussion/@comment-161.109.224.147-20131005004548/@comment-15885817-20131009050352

Also, in one of the episodes (I think #7), Pyrrha mentins that he has an abnormally strong aura. Ozpin may have noticed this, and decided to let him in anyway so he could be properly trained. Perhaps Ozpin expects something major to happen soon, and he wants every advantage they can get.