A better argument would be, is homework worth it? Once AI has significantly advanced to be trustworthy enough to grade, it will be trustworthy enough to do the homework.
Want to be forward facing? How long before AI replaces teachers? What if classes were solely presented as video feeds. At any point you can raise your hand, It would stop the video feed. You ask the AI question. It formulates a response and then tests you to make sure that you understand the answer before moving on.
Imagine getting the equivalent of one-on-one tutoring in every subject.
What if instead of milestone tests the AI just follows along and makes sure you understand what’s going on? What if the next day it does a quick recap on the previous days lesson and asks you a couple of questions to make sure you get it?
What happens when each individual learns at their own pace and goes as fast or as slow as they need to. What happens when you can just walk away from a lesson and come back later?
Edit: I just cleaned up some text from voice dictation.