End result with my talk to the Principal was much different than I expected. Trevor did ask all the right questions, but gave me all the wrong answers. In the end, I established, several times, that all he's trying to do is keep the Fur-Haters (of the few that reside in our school) from getting all pissed and irrational. He has to do it to protect students. It seems a viable enough reason, if you ask me. He said, just like Kaprika did earlier on, that Furry Pride day would be allowed entirely, but no dressing up. And he made it wholly clear that there would be no dressing up whatsoever; as apparently our district dress code prohibits it. And it's not just limited to furs, it goes for any kind of costume. Halloween costume, wearing Priest's robes (from any religion), or anything of similar nature. He even suggested an alternative to gear; just shirts that say "Furry" or "I'm a Furry" or whatever the hell. He also said that we could start a club for furries at the school.
He never said once there was anything wrong with the fandom. He said "It's not normal." That's true; however what is normal? No wonder the argument was filled with holes, the explanations I got were incoherent. I'm an extremely analytical person when conversing, and I found the logic to protect as well as no costumes perfectly reasonable. I admit, it would be nice to have at least the tails allowed, but again; other groups are not allowed similar freedoms. So equality does exist in such a regard; not complaining with the outcome and will try to help set up a Furry Club at the school! Furry Pride Day is not prohibited, nor even inhibited; it will just have to go down differently in the future.