Hard to say, no one can really tell that, but a good rule of thumb you'll most likely be tailer than your parents.
50 points added to a school grade of 54 = 104
4.5 feet
3rd grade math
87% or B+
54 out of 100 acres, dude i am in grade five and i now that!
54 inches tall
He is 54 inches tall.
54"
72% or C-
54% or F
54
72% or C-