Can't the teachers/school system impose the necessary discipline? (in terms of encouraging/monitoring usage)

My kids had access to texts/resources which I only dreamed of when I was young (too much time reading Hermann Hesse's _The Glass Bead Game_ which they seem drawn from):

- https://mathcs.clarku.edu/~djoyce/java/elements/elements.htm...

- https://www.motionmountain.net/

- https://apps.apple.com/us/app/the-elements-by-theodore-gray/...