Earlier quoted context omitted.
It sounds like you may have had a very unorthodox childhood and may not realize it. No, my parents didn't have access to, or knowledge about my things. As soon as you entrust a child with a document, it is up to that child whether that document survives more than a few steps out of the classroom, let alone whether a parent ever knows about it. That is a very strong form of autonomy, important to a child's development…
We should leave them out on the hills to fend for themselves, feeding them will only make them weak! /s
You feed the toddler.
You pack and give food to the 5-10 year old. They feed themselves.
You supervise the 10-teenageish to gather/pack their own food.
After "teenageish" you do in fact leave them out on the hills to fend for themselves...
... and part of fending for yourself, is to know when to ask for help. But the terms of help is hopefully between two capable humans at that point.
In the school system, I would expect that teachers are not asking 5-10 year olds to do complicated tasks. But to do simple tasks outside of school hours (homework) and know how to dress on any given day is totally appropriate. Parents can assist their kid to be so organised as and how they can. But the kid themselves are responsible to the school if they aren't.