Oooooh, you said homo. That's not nice. Next you know you'll be saying queer and faggot. Bigoted bastage.
Not funny haha, funny queer.
Really though, other than an overheard conversation, they have nothing. Not DNA evidence, nothing. Too bad the idiot girl admitted it. Just playing the devil's advocate, that is all. I had straight sex at that age, but I didn't get caught. What high school pupil doesn't?