Question: is 5'5 tall for a 12 year old boy?
Answer: It's roughly four inches above the average in the United States, so it's tall. Being 5′5″ at age twelve may indicate precocious puberty , which is an illness causing early rapid development via rapid bone maturation. ... The age range for this disorder is 0 - 9 for males, and 0 - 8 for females.