See, if he had refused to stand up during the U.S. National Anthem there wouldn't have been any problem. He would have been simply exercising his right of self expression.
Yes, not only that, he would be considered a hero if he were a big-time athlete who refused to stand for the American national anthem.
Contact info for the school and school board, please.
Ding! Ding! Ding!....I was thinking the same thing.