gender bias in math are more likely to select a science track in high school. … national evaluations three years later, male students make less progress than their female counterparts. Gender-biased grading …

I study whether exposure to teachers' stereotypes, as measured by the Gender-Science Implicit Association Test, affects … student achievement. I provide evidence that the gender gap in math performance substantially increases when students are … assigned to teachers with stronger gender stereotypes. Teachers' stereotypes induce girls to underperform in math and self …