Public schools have become a place where, in order to not offend the sensitive liberals, 'no child is left behind', never mind that no child gets ahead. Should the taxpayers be required to provide at least 13 years of education for people who cease to learn anything new after the 5th grade?
Your high school diploma means essentially nothing because the functional illiterate who stayed in high school to keep his driver's license gets the exact same piece of paper declaring that they know precisely the same as the valedictorian.