Hmmm...
"Chronically elevated physiological stress is a plausible model for how poverty could get into the brain and eventually interfere with achievement," wrote Cornell University child-development researchers Gary Evans and Michelle Schamberg in a paper published Monday in the Proceedings of the National Academy of Sciences.
You can read the article
here. By posting this, I am not making excuses, or claiming that schools have no role to play; it's just that we haven't been honest about the problem, yet. With this research, maybe we can get to the root of the problem (poverty) and make some headway!