Can I skip belts in Brazilian Jiu Jitsu?

I'm 15, I have MMA and wrestling experience. I quit mma and wrestling because I realized I just simply have a passion for Brazilian Jiu Jitsu. I'm really good at it and I've one all of my mma fights strictly from submissions. If I join a Brazilian Jiu Jitsu school and I prove to them I deserve more than... show more I'm 15, I have MMA and wrestling experience. I quit mma and wrestling because I realized I just simply have a passion for Brazilian Jiu Jitsu. I'm really good at it and I've one all of my mma fights strictly from submissions. If I join a Brazilian Jiu Jitsu school and I prove to them I deserve more than a white belt will they bump me up belts faster? or is it not aloud?
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