Anecdotally I had a misandrist/sexist teacher in fourth grade. It was the first grade where they split our maths class. I didn't fail the class, but that teacher rode me extremely hard. She did do other abusive things, like encouraging students to bully each other, and she'd throw an eraser and hit me with a ruler on two separate occasions because she believed I wasn't awake enough. She recommended at the end of the…
The American public school system is a veritable penal colony proxy. My experience with math was much the same. As someone on the tail end of the Bell curve and for whom such a monolithic system was a poor fit, I wasted over a dozen years of my life there, in unfortunately what were my most formative years. Luckily my siblings are correcting that with their children.
Re: Why do teachers give girls higher marks than boys? Researchers have the answer
#111Some more bits: It was actually a private school, but I don't doubt that during this time period similar things were happening in public school. The private school I went to was very big on standardized testing and what got me into the upper math course in the first place was my standardized testing score. My math scores, throughout my time at that school, declined after fourth grade because the "lower" class was roughly two years behind the upper class. This effect would leak into the sciences too because curriculum obviously was difficult to align at that point.