School forces everyone to start from the same place. Everyone goes to school as a child, and gets grades, studies the same sciences, from the same teachers. Everyone goes to the same universities and gets the same degrees.
Organizations are constantly aiming higher. They’re always on the lookout for talent to recruit. They usually know what they want, and are looking for the best to fill those spots. They can’t be evaluating every interested individual in society, so a social institution like schooling is there to evaluate the herd. Then organizations can more easily find the kinds of people they are looking to recruit.
School is a pathway for all children to grow into the workforce and find their place in it. School is valuable in a society where the workforce requires a lot of scientific knowledge, which takes a lot of time to develop.
From this you can tell that most professions and jobs don’t require so much science to learn, and most of the skills you need to operate the job you learn from the training on the job itself.
In an industrial and scientific society, a lot of the knowledge that is depended on needs to be imparted directly, and not be learned from direct experience. So you need a classroom of some sort for someone who’s knowledgable about the sciences to teach those sciences to young people. They won’t learn Calculus on their own from direct experience of anything.
On the other hand, you don’t need a top-down instruction for things that people can and should learn from direct experience. Intuitive things like managing one’s own work, some aspects of coding, art, history, and humanities for example. These things should not be taught the same way math and science are taught.
The Mshary 