My friend somehow made it through to senior year without ever taking a math class. To graduate the counselor put them in the cafeteria serving lunch, which somehow counted towards a math credit.

Public school in Hawaiʻi man.

If you go to a quality private school, certainly. In public school? Most don't even get close, and the standards get lower by the year.

Yes they teach all that in high school here

Most Americans don't even take stats or calc in college.

Yes