Read Lionel Shriver's satire,
Mania: "... it's not like we don't all know which kids are total pea-brains. The teachers are always calling on them, and no matter what they say it's always, 'Ooh, Jennifer, that's so wise!' And then wen one of the thickos claims five times seven is sixty-two, our math teacher says, 'Excellent! That's one answer, and a very
good answer. So would anyone else like to contribute a different answer?'"
Video interview with the author here: https://www.youtube.com/watch?v=N17dF847rpM