Just because they're only required to take 2 years of math doesn't mean that is what most kids take. If I recall this is how my high school was ~20 years ago a

Just because they're only required to take 2 years of math doesn't mean that is what most kids take. If I recall this is how my high school was ~20 years ago and almost everyone still took at least 3 years of math with what felt like the majority still taking 4.