There were several similar cases involving the Boy Scouts (BSA) and various public school districts about a decade ago. In each case, the result was similar: The BSA has a right to set its own membership criteria; And, the public school “may not” support or sponsor any BSA troops with public funds.

The constitution guarantees freedom of speech and freedom of association. It does NOT say that the government must provide a a microphone, amplifier, lectern, stage, or meeting room.

As a law school, there is a legitimate reason to require that recognized groups conform to the sort of ethical requirements that practicing attorneys would be expected to follow, including avoiding an appearance of impropriety by misrepresenting a group’s requirements. Of course, certain homophobic religious groups would hate this idea as they want to give their prejudices a cloak of respectability. So let’s not let them have it – parade them around stark naked (figuratively speaking).

Now, if the group’s policy is to “look the other way” for heterosexual “sinners” and castigate gay ones, that would be a different situation and the group could be banned, if not for discrimination, at least for false advertising.