Pro-Israeli demonstrators chant "Shame" in support of Columbia University assistant professor Shai Davidai, who was denied access to the main campus to prevent him from accessing the lawn currently occupied by pro-Palestinian student demonstrators in New York, Monday, April 22, 2024. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Stefan Jeremiah)
FILE - Police in Riot gear stand guard as demonstrators chant slogans outside the Columbia University campus, Thursday, April 18, 2024, in New York. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Mary Altaffer, File)
Columbia University professors speak in solidarity with their students rights to protest free from arrest at the Columbia University campus in New York on Monday April 22, 2024. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Stefan Jeremiah)
FILE - Demonstrators at the University of Michigan Diag protest the university's draft Disruptive Activity Policy on Thursday, April 4, 2024, in Ann Arbor. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (Zena Issa/Michigan Public Radio via AP, File)
NYPD officers from the Strategic Response Group form a wall of protection around Deputy Commissioner of Legal Matters Michael Gerber and Deputy Commissioner of Operations Kay Daughtry, not in the picture, during a press conference regarding the ongoing pro-Palestinians protest encampment at Columbia University in New York on Monday, April 22, 2024. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Stefan Jeremiah)
New York University students and pro-Palestinian supporters rally outside the NYU Stern School of Business building, Monday, April 22, 2024, in New York. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Mary Altaffer)
FILE - Students hold up a photo of University of Southern California 2024 valedictorian Asna Tabassum in protest to her canceled commencement speech on the campus of University of Southern California on Thursday, April 18, 2024. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Damian Dovarganes, File)
FILE - Students protest a canceled commencement speech by its 2024 valedictorian who has publicly supported Palestinians on the campus of University of Southern California on Thursday, April 18, 2024. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Damian Dovarganes, File)
Several hundred students and pro-Palestinian supporters rally at the intersection of Grove and College Streets, in front of Woolsey Hall on the campus of Yale University in New Haven, Conn. April 22, 2024. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (Ned Gerard/Hearst Connecticut Media via AP)
A sign sits erected at the pro-Palestinian demonstration encampment at Columbia University in New York, Monday, April 22, 2024. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Stefan Jeremiah)
Massachusetts Institute of Technology student Isa Liggans, of Odenton, Md., front left, takes part in Muslim prayer with others Monday, April 22, 2024, at an encampment of tents at MIT, in Cambridge, Mass. Students at MIT set up the encampment of tents on campus to protest what they said was MIT's failure to call for an immediate ceasefire in Gaza and to cut ties to Israel's military. U.S. colleges and universities are preparing for end-of-year commencement ceremonies with a unique challenge: providing safety for graduates while honoring the free speech rights of students involved in protests over the Israel-Hamas war. (AP Photo/Steven Senne)