For completeness I want to mention that I don't doubt that IQ tests measure something. Like if they predict success in the military or whatever, they are probably right, ie the IQ63 guy from Ethopia (from another post) would probably have a much harder time in the US military than the IQ 100 American. It is just not clear that it measures "intelligence" per se. And perhaps for the Ethopian military, the results would be reversed. Ie try putting up "surviving in the Saharah without water" as an IQ test.
Luckily, I've had no direct experience with this. I skipped high school.
I then went into Princeton to start a PhD in plasma physics -- I did that for two years but that's on hold now -- I'm starting a startup, as I guess is the ambition of many of us here.
Socially, I've always been fairly mature for my age. I got along better with college students than my age peers. It was a very good move. I hated school.
That could be it. But I'd actually be more worried about students who were just "less interested" than students who were interested and tried really hard.
"The IQ test people also claim their tests are culture insensitive, but that is definitely not true. Just think about the following kind of test: show 10 kanji symbols on a page of the book and on the next page ask the reader to identify them."
Actually, what IQ testers found was that the culturally insensitive tests exacerbate group differences. Unless there's something cultural in being able to remember a sequence of numbers and recite it in reverse, or to have high reaction time, or to remember the orientation of a set of geometric shapes.