My experience is very old. I went to one of the most highly rated county school systems in the US. The quality of math instruction was horrible. It was called n

My experience is very old. I went to one of the most highly rated county school systems in the US. The quality of math instruction was horrible. It was called new math back in the 60’s. I think we are on at least the third iteration, new new new math. In grad school I finally had a good teacher.