Bookmark folders as a built-in solution. The OneTab extension if you’d like a little more advanced features.

There already is pyxll and xlwings which likely maybe does what you’re looking for.

Research shows again and again that it doesn’t work that way. Smartphones are tools at work or in university. For children they are neither useful nor necessary in school.

Getting rid of pen and paper also isn’t something we should advance in school as hand writing also helps the cognitive learning process.