Indeed, US education system is somewhat strange, to say the least. However, all these metrics are almost designed to present the US in bad light.
How about "the percentage of millionaires who were born in a poor family"? I bet this is where US shines. Rich people in most other countries are mostly from old money.
How about "the percentage of millionaires who were born in a poor family"? I bet this is where US shines. Rich people in most other countries are mostly from old money.