In my world, we doesn't even need school teachers. If there is a need for one, this person just need to provide us proper notes. That's it. Why do we need another person to explain or read out things to you? Don't you have a mind to figure it out yourselves?
I swear to god I didn't needed any lecturers from the day I realised this later part of my academic life , and I have never failed in any subjects during exams, only that some subjects I wasn't so keen to do in depth figuring and didn't performed well enough only, and ace with others.
I have never attended lecturers in my final academic time after I realised this. Yes 0 lecture attended I swear. Tutorials is no choice as attendance are taken but I did not even open my ears in class.