Mealey's (April 28, 2021, 4:52 PM EDT) -- WASHINGTON, D.C. — In oral arguments held April 28 before the U.S. Supreme Court, a school district and a student who was disciplined for a social media post debated whether the substantial disruption standard established in Tinker v. Des Moines Independent Community School District permits a school to discipline students for off-campus behavior without violating their rights under the First Amendment to the U.S. Constitution....