I was born and raised in Miami, Florida.
From 6th to 12th grade, one of our teachers was gay. We all sort of assumed it, but no one knew for sure.
A few years after I graduated, we discovered how gay he was.
There was a local scandal because a student found a picture of him on a gay fetish message board under a pseudonym.
The man taught at that school for over a decade and nobody knew what he was upto.
He was a great teacher and a nice guy.
We students didn’t know anything about his private life, which turned out to be rather spicy.
This was 20 years ago when teachers didn’t tell their students about what sort of things they got into in their private lives.
So it’s perfectly possible for a gay teacher to built a rapport with students and for the students to know nothing about the teacher’s sex life.
The teachers who say that’s not possible are lying.
I know from first hand experience.