There are compelling reasons send them 9-5

There are also compelling reasons not to

Teachers spend a non-trivial amount of time post class working on previous assignments, future assignments, setting up tests coordinating with other teachers and staff. If they start all this at 5, they’re stuck at the office until very late.

Busses/kids on the road before rush hour

Extra-curricular activities are better off earlier than later, don’t want clubs running into diner time.

better chance of getting home before dark in winter at Northern latitudes

What if all the honework in the future is done online and multiple choice… if its a written asignment it can be graded by an AI. Bada bing teachers have not much more to complain about. If you are a teacher and are still complaining about having to grade homework, its probably because your administration is stuck in 2007.

A better argument would be, is homework with 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 does classes were solely presented as a video feeds. At any point you can raise your hand It would stop the video feed You ask the AI question. A 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 make 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 low as they need to. What happens when you can just walk away from a lesson and come back later?