American public schools often censor controversial student speech that the Constitution protects. Lessons in Censorship brings clarity to a bewildering array of court rulings that define the speech rights of young citizens in the school setting. Catherine J. Ross examines disputes that have erupted in our schools and courts over the civil rights movement, war and peace, rights for LGBTs, abortion, immigration, evangelical proselytizing, and the Confederate flag. She argues that the failure of schools to respect civil liberties betrays their educational mission and threatens...