The moment you put a system in place where the teacher isn't acting on its own as a human being in an unforeseen situation, but as the guardian of the cabinet where all the EpiPen are stored, you're required to codify who and under which circumstances gets access, who shoots, etc. Basically the organization gets involved as it sets the rules, and it's where the finger will be pointed when it all goes for the worse.
This is the primary reason it's the kid and the parents who are in charge, that's the discussion we had with the school staff.