Several videos posted on social media showed a chaotic scene as law enforment officers in helmets and reflective jackets scuffled with shouting protesters, some carrying umbrellas. Many of the protesters appeared to link arms forming a barrier as officers moved in.
It’s a private college. I’m pretty sure they could just be charged with criminal trespassing if they were asked to leave and refused.
The article said they were on a public walkway. That also may be illegal to obstruct.