The Bill of Rights is between the federal government and the people not the University of Oklahoma and the people. There are no freedom of speech rights held by students.
Tinker vs Des Moines says differently
That is a bit different. You are forced to go to high school; it is compulsory. University, state or private, is a choice and not everyone could or should go. The university is in the right in this situation.
Isn't OU a public university that receives federal funding? If so the Feds may get involved. As someone who had to navigate freedom of speech issues in high school on religious freedom grounds I would have to agree with the students rights on this. (
in spite of my opposition to said racist speech