That was my first thought! 😅 In fact, an earlier draft made that suggestion.
Absolutely, I didn't even mention that the teacher was trans because it's not relevant. The issue is simply; what the actual f*ck is the school thinking?! As you say, if Lolo Ferrari was teaching at the school it would be just as much of a problem.
The boundaries of "expression" vs "fetish" are blurry. No doubt. But we're in trouble if this becomes yet another thing we claim simply doesn't exist.