What are actually the rules regulating demonstrations on American campuses?

.IF COLUMBIA UNIVERSITY’S head of state, Minouche Shafik, thought that pro-Palestinian demonstrations will subside after she hired New York Metropolitan area cops on April 18th, she mistook. The tents are back and protesters are emboldened: in the very early hours of April 30th they utilized a college structure, barred its own doors and draped a flag analysis “intifada” from its own front view. Due to the fact that the start of the war in Gaza there have been objections at colleges throughout America and also, at much of them, arrests.

Trainees mention, in some cases rightly and also sometimes incorrectly, that they are actually exercising their free-speech rights. What policies regulate demonstration and pep talk on university?