That is the tragedy of the next couple decades that needs to be solved. What do you do with the increasing share of people that do not have the capabilities to be productive in the economy?
And wasn't a high school education good enough 50 years ago for most positions? Companies have been able to force the burden of debt for gaining the skills required for a job onto the individual, through exorbitant college fees and unpaid internships, now you're advocating the government should take on the specialization that the private industries require?
As a college student one is barely able to figure out their interests - there's so much push to start planning well in advance, I have no idea how we can expect a tween to commit to a career path.
Nothing, then import twenty million more of them?