I agree with vid, school does teach a lot of things that you never use at the end of the day.
And even if you end up needing one of the things taught they are usually forgotten to the point you have to relearn it.
That's one of the reasons I wasn't attached to school, the variety of things they taught that ended up useless to 80% of those taught it, while they kept more important things to the side.
Math is good to learn, to a point, same with science, but after awhile they just become trivial drivel that you stop even trying to apply to anything. Like leave that for college or people who want to work in those specific areas, at the end of the day once the tests are over most wouldn't care to remember those.