Generally any disciplinary action against a student must be justified. Saying something like "We sent this kid to detention because he said his parents voted fo

Generally any disciplinary action against a student must be justified. Saying something like "We sent this kid to detention because he said his parents voted for X" is not going to hold water, especially if you are talking about drastic punishments. Nobody has to like you in school. But that's the same as the rest of society.