Kori15 answered Thursday July 24 2008, 3:03 am: The average height usually differs by gender and also race. So depending on your race and genetic background, it may be a little higher or lower.
But in general, the average height of a 12 year old girl is around 5"0' - 5"2'.
Feel free to check out a website that talks about average heights and weights for infants to teenagers:
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