PISA scores (math at age 15 [avg 500]) and years of schooling of over-25s. Not much relation: Long years of schooling not -> high scorespic.twitter.com/YKwcGLMYDb
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it can illustrate if older generations education level somehow relates to teens achievements
people often think that parents directly help their kids do well in math
can a nation improve its PISA score by educating gen X longer so that gen Y scores better? There is probably +
some low hanging fruit to picked there, but in the end it has limits
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