Fair, but pointing out that 10% *max* of exam score variance is attributable to diffs between schools is holding a sacred cow at gunpoint.https://twitter.com/toadmeister/status/924241137845587969 …
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The school system *gets to choose its own metrics* for success & they turn out to basically be a proxy for IQ/socioeconomic factors. Ruh roh
7:56 AM - 29 Oct 2017
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