You ass, do your own work.
That said, No Child Left Behind, means that no kid will be required to retake a year because they don't meet adequate educational standards.
It sucks because it means they're some people moving up without even meeting the bare basics academically of that year group; ultimately it's worse for them as the effect snowballs and they get left further and further behind.
To fix it, not only more money would have to be thrown at it, but a careful inspection of where things are going wrong and why they're going wrong. You'll find many many reasons why things are going wrong, even things such as nutrition affects educational performance.