The system works for all groups. Russian-Americans outperform Russians. Nigerian-Americans outperform Nigerians. And so on. There is ultimately a problem of th

The system works for all groups. Russian-Americans outperform Russians. Nigerian-Americans outperform Nigerians. And so on. There is ultimately a problem of the students involved that is not going to change on the scale of a single generation or two. Across multiple generations of concerted effort, who knows. But ignoring what might be 200 years from now the American education system actually works pretty well.