Friends of mine have a son who went to University to study law. He went all the way through, got his degree and had only one more hoop to jump through, when he decided he didn't want to do this and began to sew specialty clothing for snowboarders. (This was over 15 years ago when the sport was relatively new and snowboarders wore their ski suits.) His clothing was picked up by various suppliers and he eventually hired a couple of seamstresses to meet the demand. He never did pursue law. I don't know where or when he learned to sew. I think his father may have done some sewing as well.
This spring my 14 yr old grandson, a straight A student who plays the guitar and is also very good in a multitude of different sports, took Home Ec in school. He made himself a pair of boxer shorts and a stuffed snake. He said the shorts turned out to be longer than he expected, so he is wearing them as pyjamas. When he is out on his own some day he will at least be able to repair a split seam, or maybe even sew a cushion for his apartment or as a gift for his mom; or... go into an eco-business making draft snakes like this one from IKEA.