Why have kids become so dumb? ?

Global student test results are out today and... well, it ain't pretty. 62% of 15 year old kids globally are now as dumb as the bottom 50% were two decades ago... and if you understand that, they don't. Thus begins the ritual of staring gravely at a chart and asking what the heck have we done. Followed by three years of a sustained effort to do nothing. Lather, rinse, repeat. Is it smartphones? Whole-language learning? AI? Inquiry-based learning? TikTok? Or are YOU to blame for ruining your kids' lives?

I never was one for book-learning, me
I never was one for book-learning, me
Kids just ain't what they used to be
Teachers are dropping the chalk
Mark Zuckerberg is to blame
Parenting skills? Huh?
Meh. By the time they graduate school, human intelligence will be irrelevant
Other (please explain)
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A different way of looking at it is that 20 points is about 1 year of schooling. 15 year old kids today are doing what 13 1/2 year old kids were doing two decades ago, on average.
Why have kids become so dumb? ?
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