However, the ultimate protest would be to organize a private prom and designate the streaker as the Prom King. Gradually, you and your fellow students should privatize all extracurricular activities. Then your administrators would never be able to kick you off the baseball team or bar you from the prom because private individuals who don't take orders from the government would run these activities. Start fighting back now by making your prom the first privatized activity. If you do not have experience organizing parties, then get help from someone who organizes raves or other private events.
Many people hire a party-planner for their weddings.
In addition, a hotel catering division could also be a resource. And don't let your teachers or administrators stop you. You have the freedom to embrace the free-market by organizing your own prom.