Unfortunately, at least where I live, it is almost entirely not allowed to fail students in primary or early high school. So, graduating effectively means "I di

Unfortunately, at least where I live, it is almost entirely not allowed to fail students in primary or early high school. So, graduating effectively means "I didn't die before age N". And of course, it's a downward spiral: if you can't multiply and divide, you sure as hell can't factor an equation, and you're definitely not going to get anywhere trying to understand the graph of a parabola.