The kid did run 20.94 and 46.44 in 8th grade. Earlier this month, in his first meet as a HSer, he set freshman records of 21.54 in the 200 and 47.97 in the 400, but 19.9 is a ways off that.
Here is a thread on his 46.44
http://www.letsrun.com/forum/flat_read.php?thread=6575395