The U.S. Supreme Court ruled Wednesday that a Pennsylvania high school violated a student's First Amendment rights when it punished her for posting a profane message on Snapchat expressing her frustration about not making the varsity cheerleading team.

The major ruling on student free speech rights was an 8 to 1 decision, with Justice Clarence Thomas dissenting. While the court said the punishment imposed by the school against the cheerleader was too severe, it said that schools may discipline students for off-campus speech in some cases.

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