I am refraining from saying too much, since Willow Palin is so young, and I am so offended.
HuffPo has the screengrab, I'll give you a sample of the text. Then go over there and read all about it:
Willow Palin reportedly unloaded on the student, calling him "so gay" and "such a faggot." She later demanded that the student "quit talkin shit about my family." According to screenshots obtained by TMZ, the 16-year-old called another commenter on the Facebook thread a "low life loser" and lashed out at multiple others, writing, "Sorry that all you guys are jealous of my families success and you guys aren't goin to go anywhere with your lives."
Either Mommy and Daddy Dearest didn't teach their daughter properly, or are completely oblivious parents, or Willow is hanging out with and being influenced by some nasty little ignorami.
Somehow I doubt anyone will be jealous of the Palins much longer, nor will they go anywhere with their miserable, small-minded lives.... no matter how much fame and money comes their way.
UPDATE: I'd like to add this... Kids torment each other. Willow may have felt hurt, attacked or cornered, but that does not excuse the slurs she used.