In these 'me too' days, I have to wonder if some of these reports are outright lies.
I have thought the same thing.
Hard to imagine she wouldn’t flat deny everything if indeed it had never happened.
What got her though was the texts between her and the student. It doesn’t have to rise to the level of physical contact, just a “I think about you a lot” will get ya kicked out the door in a heartbeat; improper relationship