Montessori worked on this problem, and did a fairly good job, but somehow it's still under the radar that we could revolutionise our educational system according an already proven model.
Montessori is more of a brand. People definitely perceive it to be the way you are describing, but really, if there were something old and certain, it would be widely used. On the flip side, there are lots of pedagogical practices that are proven, and this article is trying to show you how they are probably being disrupted by cell phones.
?? i went to a montessori school and i learned how to read and write poetry, cursive, tie my shoes, use scissors, all 4 mathematical operations, how to read novels, hell, i used to read our encyclopedia for fun, did a project on the bernoulli principal, and more, all before 2nd grade. no one i have ever met had an identical experience