Earlier quoted context omitted.
Your opinion is obviously contradicted by the facts. The American education system is a major reason people immigrate here in the first place. Many of the best universities and research centers in the world happen to be in America. You may have some gripe about your kid’s teacher or whatever, but if you feel that a single data point from a parent’s biased perspective is more informative than the facts and statistics,…
Maybe it's my fault, but I haven't found "easily accessible data" on the quality of elementary and middle school education, which is something a lot of people seem to be ignoring in this discussion. Sure, people might be motivated to immigrate here by your universities. Even when I was a teenager growing up in an Eastern European country, I had heard of MIT and dreamed of studying there. But there's a long road to go…
The k-12 numbers are easy to find. Google Pisa.