We are not cannibals.
Alleged physical miracles such as you mention really have little to do with the mystery of the Eucharist.
It is not helpful or particularly virtuous to take such an attitude to your teacher.
As the Bible says, if you have a serious difficulty talk it over with the person first privately.
If you are still not happy talk to your principal.
I believe you are making a mountain out of a molehill.
If teachers are at odds with the Church that would likely have showed up well before you came along.