When and why did the school appear?

For a long time, a person tried to pass on his experience to young people. At first, people wrote down what they learned and passed on this knowledge from generation to generation. Already with the invention of writing, the first schools appeared, the first of which were in Mesopotamia and Egypt, they are about 3-4 thousand years old. Based on this, the school appeared in order to transfer knowledge and experience from the older generation to the younger.