From the article:
“But Masters-Ownbey says the kissing was ‘not once, but over and over.’ School officials insist the boy was repeatedly warned and that the punishment was warranted.”
The boy did merit punishment, as, apparently, he forced his affections on the girl on multiple occasions, and had been warned multiple times to cut it the heck out.
However, I think the real crime wasn’t sexual harassment, but rather, just plain old harassment. He saw that kissing the girl got the reaction he desired, and repeated it.
The boy’s behavior marks him down as a little snot, not necessarily a sexual harasser.
I didn’t notice any mention of the father of the boy in this story, but perhaps I missed something.