What's The Average Height For A 11-Year-Old Boy?
However, it's important to. At the age of 11, boys typically experience a growth spurt as they enter puberty. While individual growth patterns may vary, the average. Determine if your child is tall or short for his or her age. The average height for 11 year old boys is 56. 6 in and 11 year old girls average 56. 8 in 1 the tables below show the distribution of height by percentile of the 11 year year old population.