If you're accused of misconduct that involves other people, you have to be mindful that it can be every man or woman for him or herself, although they may be friends. It's not a matter of looking to throw them under the bus, but you have to look out for number one in terms of how the case should be best responded to, it will depend on the particular circumstances at hand, but you have to understand people will be looking to protect their own interests. You should be doing the same. You should, of course, let your parents know what's taking place.
Being accused of any kind of misconduct at college is incredibly serious. It can result in profound, short, and long-term consequences. Responding to the school appropriately and at the given time would be in many instances a necessity, of course, but you should only do so until you take the necessary precautions or after you take the necessary precautions. Having an experienced attorney advisor will be your best ally to help you understand and navigate the process moving forward, they should be involved as early as possible in the case.