This was a history teacher. And if you even skim the article, you see he apparently singled out one student.

Freedom of speech includes freedom of religion - and that means the government not bashing or attacking one religion.

"Corbett states an unequivocal belief that Creationism is 'superstitious nonsense,'" U.S. District Court Judge James Selna said in a 37-page ruling released from his Santa Ana courtroom. "The court cannot discern a legitimate secular purpose in this statement, even when considered in context."

Click here to read a follow-up story that analyzes the judge's decision from a constitutional law perspective.

In a December 2007 lawsuit, Farnan, then a sophomore, accused Corbett of repeatedly promoting hostility toward Christians in class and advocating "irreligion over religion" in violation of the First Amendment's establishment clause.
Saying he's not allowed to speak about creationism is BS. He's a public employee, so that means he can't attack a religion for no reason. If he was a science teacher and was saying Creationism went against established science, that'd be something.

"Americans aren't civilized. They are barbarians."
Indeed. Ever since we started the modern democratic revolution, whilst Europe was ruled by despots.

CR