This is the first in a series called Civics 101 IRL; special episodes where we explore the historic moments connected to our regular podcast topics. Today we're digging into four incredibly important Supreme Court cases - four cases that have shaped how we interpret the meaning of free speech in public schools. Is political protest allowed in class? Is lewd speech covered by the First Amendment? Can school administrators determine what students can and can't say in the school newspaper? Listen in, and find out how students and schools have gone head to head over how First Amendment rights apply in a public school setting.

CORRECTION: A previous version of this episode inaccurately stated that Justice Abe Fortas was Chief Justice. While Fortas wrote the Tinker decision, Earl Warren was the Chief Justice at the time.

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To see Civics 101 in book form, check out A User's Guide to Democracy: How America Works by Hannah McCarthy and Nick Capodice, featuring illustrations by Tom Toro.