It's pretty easy in California to go to Community College while in High School, I took second year algebra in my high school, and on the recommendation of my hi

It's pretty easy in California to go to Community College while in High School, I took second year algebra in my high school, and on the recommendation of my high school teacher took Trig at the local community college (next door to the high school luckily) at the same time. There just wasn't any open spots at the High School. This was 1980 or so. My son took calculus really early maybe 10th grade. So he took multivariable calculus and differential equations at a local community college. I think a friend one grade above him also did the same. So I think it's possible for people to find solutions if teachers work in good faith. I think the real problem is just that I don't think the program will have the intended effect. There is no substitute for having a strong foundation, and pretty much if you get a C or worse in one class, you will have a much harder time going foward, but there really doesn't seem to be any systematic way to help those kids. Fortunately things like Khan Academy do exist, and for those kids who are motivated there are lots of doors open, way more than when I learned this stuff as a kid. The real issue is motiviation to learn math, most kids are not.