Similar experience at school in Russia, also with maths. No sexism, just an extreme bully and encouraged bullying. Forever put me off maths. I sincerely think

Similar experience at school in Russia, also with maths. No sexism, just an extreme bully and encouraged bullying. Forever put me off maths. I sincerely think she completely sucked at her job but sociopath-politicked her way to teaching the classes with the kids that were labeled the brightest (i.e. mostly from good families, upper middle class, almost no ethnic minorities, etc.), they tend to succeed and go to good universities for some unfathomable reason (sarcasm) and she could take the credit.