Everyone in the world is either half Animal or Human. There are schools for prey, predator, human etc, but in California Vale, there is Diversity. Meaning that in some schools, Animal and Humans learn together. And in California, there may not be that many deadly predators.
So when Beacon High School find out they are getting two Transfer Students, they get excited. But what they don't know is that these two are from Africa. Where most of the deadly predators are known to be.
Ruby Rose is a Cheetah mix with lion. Yang Xiao Long is a Lion mix with a Raven.
Weiss is a White Fox.
Fox and Cheetah... How interesting that would be.
Exclaimer: I do not own RWBY or any references I make. The AU is mine and the story