Compete (and excel) in a high school sport.
Christopher McCandless was captain of his high school cross country team
There are no classes for baseball you just have to excel in the sport.
Football (soccer) is the most popular sport and Charrería is their national sport, so with that in mind, it is likely that they excel in those two sports.
Swimming
golf
swimming
tennis
tennis
tennis
the spear
They Excel In Running,Skipping and Dump Truck Driving xD