How is burning a U. S. flag free speech, but burning an LGBT flag not? The burning of the flag was not the legal problem, but stealing it and burning it was Assuming they burn the flag in a manner that isn't dangerous or violating other prohibitions (like burn bans), they can burn flags all day
Pride Flags in Schools: The Legal Issues - The Free Speech Center Some flags, most notably a flag representing the Ku Klux Klan or the Confederate States of America, might represent or provoke violence, and many schools have banned such flags or other attempts at symbolic intimidation