> Exactly how do you envision interaction between teacher and student

Some sort of teacher avatar. Works great for teaching english in china. And we had this during covid. I can write one in a weekend, easy.

> between students happening?

How about playing football or other physical activities?

> Which is much more demanding because you are doing far more than just throwing knowledge and facts at people

It is demanding only because single teacher has to manage 20 kids. With individual tutor, kids can teach much faster, and have more for socializing.

> how AI will magically remove the language barrier

I dated a girl via google translate, worked pretty well.