ts, and especially insulting to teenage girls. The First Amendment does not prevent school officials from deciding what is vulgar and lewd speech. Given the school's need to be able to impose disciplinary sanctions for a wide range of unanticipated conduct disruptive of the educational process, the school disciplinary rules need not be as detailed as a criminal code that imposes criminal sanctions. (Arnett v. Kennedy, 1974) The student was given enough warning that his speech could subject him to disciplinary actions. The judgment of the Court of Appeals for the Ninth Circuit was reversed....