American kids?. (Photo credit: Wikipedia)
If the next two videos are any indication, not much.
• 13-year old girl shoots like Annie Oakley
video 00:01:17
https://www.youtube.com/watch?v=By_u5kmvq9o
• 15-year old boy invents new means of detecting pancreatic cancer. video 00:09:28
http://www.freedomsphoenix.com/News/128250-2013-02-08-15-year-old-jack-andraka-invents-full-proof-method-that.htm?From=News