I think that says more about how we run our school systems than the schooling kids being a problem.

http://www.smithsonianmag.com/innovation/why-are-finlands-sc...

Great example of this.

It is mandatory. Maybe they don't need that much schooling.

what is "needed" seems more like a post-facto rationalization for each individual. everyone's future is uncertain. extra education generally provides more options and flexibility, while the same doesn't really apply to a more limited education.