There are also specific school policies to deal with these issues.
So yeah... it's covered.
There isn't really 100% "free speech" particularly when you are talking about the things said "to" and "about" a specific person.
I'm not saying that things can't still get out of hand.
If reported properly it can most often be handled... but sometimes there are children/young people who are really sensitive or have other issues already that make it too much.
But that's the thing... there are always tragedies.
It's been illegal for teens to drink and drive for how many years... any yet how many die?
So, if a person makes a video and posts it to youtube about how to make those fruity "bombpop" drinks and promotes them as looking and tasting exactly like yummy popsicles... and SAYS it's fine to drive after 5 of them (because they've done it and they were fine LOL)... then a teen drinks 5 of them and drives... Who is responsible when that teen dies in a DUI accident? Or kills other people in a DUI accident?
IMO, the teen is... and ONLY the teen.
That teen KNEW it was illegal and dangerous to drink and drive. But decided to do it anyway because of what some drunken idiot on youtube said.
People are responsible for their own actions. End of story.