A child's development starts with nutrition, the dilemma is similar for American youth as they do not have proper nutrition. Without this the mind is involved in fight or flight and can not achieve optimal cognition. Firstly this must be addressed to make a viable and thriving population. What we want for these children is to be super stars, to make the world work for them, because we need them to. After the child's needs are met (Maslow's hierarchy) then we should foster all the creative potential these young minds have to offer. They will conceive the solutions.
The biggest barrier is typically geographical.