That was the opposite of my experience in high school. My math teacher was forced by admin to buy a shipping pallet of shiny new $130 Calculus textbooks which

That was the opposite of my experience in high school. My math teacher was forced by admin to buy a shipping pallet of shiny new $130 Calculus textbooks which sat in the closet unused all year because the new textbooks covered less material than the ones from the 80s we were already using (the curriculum had since been dumbed down).