These statistics are from the Trends In International Math and Science study produced by the Dept of Ed. The full report is posted on their website as a PDF and may be viewed by clicking here.
Look up US student scores by demographic. Then cross reference that against the demographic that educationally successful places like Japan and Singapore don't have.
People with an IQ of 88 aren't going to succeed in logically based fields. No matter how much you pay their teachers.
“People with an IQ of 88 aren’t going to succeed in logically based fields.”
perhaps not. But they’d be better off than others with similar IQ’s that don’t bother to learn anything.