What should I do if my charges may affect my immigration status?

I went back to my dormitory in a cab with my friend. We couldn't pay the cab driver then we paid him after the police came after he called. When the payment was done my friend happened to be banned from the university which I wasn't aware of. Also he was under alcohol influence and was resisting arrest and then assaulted the officer while I was being calm and telling the police of what happened respectfully and full cooperation. Then they let me go. After that, university coordinator was still wanted me to give them my information after the police took care of the whole matter and let me go. When the university coordinator took down my information, the university charged me with involvement, alcohol, and violation of rules visitation which I didn't know my friend was banned from the school. The alcohol I am over 21 and wasn't drinking on-campus and involvement I was fully cooperating with the police officers as what they requested from me respectfully and truthfully. I am an international student with an F1 visa and can't afford having those charges on my record. What would u recommend me to do I am in need of advice? They want me to meet them for investigation.