I dunno, google any university ranking and you will find the top ten has many from the US?
University rankings have pretty much nothing to do with how well they teach students, only their research output. And good researchers aren’t automatically good teachers ( and vice versa).
google, lol, marketing doesnt make a university good.
I don’t know any such rankings which measure envy, I’m afraid. It’s all based on numbers of papers published, etc.
Do you think people in other countries envy the us college system based on rankings? If so I strongly recommend a trip abroad and striking up a few conversations with prospective or enrolled students. In my experience the topic of cost and non dischargeable student loans comes up often. Rankings very rarely.