The girl refuses to co-operate with police. Obviously she doesn’t feel victimized.
Someone “observed them together” and that “things weren’t quite right” and reported it to the school. 10 to 1 it’s the same person who complained when Bono said “f!cking brilliant” on TV.
Aren’t there states that set the age of consent at 16? Which ones are they?
It has nothing to do with her "feelings". It's about the rule of law. If that state says the age of consent for sex is 18 and she wasn't 18, then he broke the law having sex with her. And since it appears that she was his student, he had no excuse not to know her age.