What is the difference between a modern school and a 19th century school?

If we are not talking about the appearance of the educational institution, but about the system, then it differs primarily in the list of subjects studied and educational methods. What was commonplace for the educational system in the 19th century became morally obsolete in the 21st century. For example, in the era of humanism, no one beats children with rods for misconduct, as it could have been in the 19th century. Likewise, general education subjects have changed, the list of which has been significantly replenished as a result of the development of many sciences.