Not sure if you mean the ball or rim height, but it is regulation full size on both, NBA ball, 10' rim height.
It is 30 inches in circumference, I play high school basketball and we use the same size. Kids in 5th or 6th grade use a 28.5 size ball. Once you get to 7th grade you use an official 30 inch ball. Wilson and Spalding are by far the best basketballs if you are looking to buy one.
The official NBA men's ball is a size 7 at 29.5 inches. The official WNBA womens's ball is a size 6 at 28.5-29 inches.
The official NBA ball size is 29.5 inches in circumference.
The size is the biggest difference. Also the grooving on it, and the colours of it differ from a NBA-official ball.
The official ball for men, a size 7, is 75 cm in circumference.
Diameter of a standard basketball is 29.5 to 30 inches (74.9 to 76.2 centimeters).
29.5 inches in circumference is the official sze of a regulation ball!
Official Basketball size for men is 7 and for women is 6.
For men, the official ball is 29.5 inches (74.9 cm) in circumference (size 7, or a "295 ball") and weighs 22 ounces (624 g). If women are playing, the official basketball size is 28.5 inches (72.4 cm) in circumference (size 6, or a "285 ball") with a weight of 20 ounces (567 g).
A 14 year old male basketball player would use an official size ball. There are 2 official sizes for men, 29.5 or 30 inches. For a 14 year old girl, it would be an official ball for women which measures 28.5 inches.
The Official Basketball Hoop size is 21 inches