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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Kids in the 99.99% percentile have at least 40 iq points on the kids in the 90% percentile. That’s a really big difference in smartness and what they are capable of achieving in college and beyond. [/quote]

I do not know why posters are mocking this. It is very close to correct:
90th %ile is about 120 IQ, is too low for gifted and talented programs and [b]is a little above the average IQ (85th %ile) of our local UMC public school [/b]and a little below the average IQ of the local private. They give the parents all the CTP testing data.

99.9 is 147-150, about or 1 in 1200 people. 
99.99 is 157++ and is hard to test; the ceiling of the normal tests is around 99.9. True 99.99 are rare 1 in 11, 000
 
So yes 90%ile IQ about 120 and 99.99 about 160 is indeed about 40 points. 
It is a vast difference as far as what they are capable of. I am in the gifted and talented field and spouse is a professor who has taught at many schools—the IQ/talent level of the average student matters a LOT and 40 points is a huge deal, even 20 points (120 vs 140) is a large range. [/quote]

Which public school is this? Is it local? I am surprised average is that high. We are in MCPS (one of the W clusters).[/quote]

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