A lunch discussion on beauty premiums in school led me to dig this up. As I read it, one SD (.72) in attractiveness is associated with a .4 increase in grade point (from 6 to 1) in math exams and 1.3 points in arts/music/literature. 10 and 15 year olds.
https://www.degruyter.com/document/doi/10.1515/zfsoz-2012-0206/html
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correction: I misread the part about a larger effect in arts/music/literature. afaict, they didn't test that and I wished too hard that they did. effect sizes make more sense now.
thanks @Scientific_Bird
