Question 032: Rank status

I'm an adult first degree black belt and certified instructor and have been the senior student in the adult class. In our organization you must be at least 18 years of age to test for certified instructor status. Recently, a 13 year old second degree black belt moved from the children’s class into the adult class and is now considered the senior student. I have a problem deferring to a child and having to call him sir. Does rank out rank instructor status? Does age out rank seniority?