It's a much deeper problem than sending a message. Teachers are systematically sexist: they give girls better test scores than boys and treat them differently.

It's a much deeper problem than sending a message. Teachers are systematically sexist: they give girls better test scores than boys and treat them differently. This effect is so strong it's been studied and shows up statistically: https://mitili.mit.edu/sites/default/files/project-documents/SEII-Discussion-Paper-2016.07-Terrier.pdf https://mitili.mit.edu/sites/default/files/project-documents... "I use a combination of blind and non-blind test scores to show that middle school teachers favor girls when they grade. This favoritism, estimated in the form of individual teacher effects, has long-term consequences: as measured by their national evaluations three years later, male students make less progress than their female counterparts. Gender-biased grading accounts for 21 percent of boys falling behind girls in math during middle school. On the other hand, girls who benefit from gender bias in math are more likely to select a science track in high school" It also shows up in more anecdotal stories like this one, in which a teacher banned boys from playing with Lego whilst letting girls do it: https://www.theblaze.com/news/2017/01/31/kindergarten-teacher-refuses-to-let-boys-play-with-legos-in-the-name-of-gender-equality https://www.theblaze.com/news/2017/01/31/kindergarten-teache... The problem is one of feminism. It's not that boys have somehow inexplicably got dumber over the past decades, it's that women have become radicalised and collectively concluded that it's OK to express explicit biases towards other women on the basis of gender, because progress.