Not popular, it was stipulated in the Tang Dynasty that although schools were set up in the central government and counties, private schools were allowed, but the following people were not allowed to enter the school: 2 Jia Gu and handmaiden with a criminal history of/kloc-0 were not allowed to take the exam as officials.

At that time, it cost a lot of money to take the exam in Beijing, which the average peasant family could not afford.

In ancient feudal society, there were few wealthy families except gentry and landlords. Farmers have to pay land rent and bear heavy corvee. Businessmen and others have a low status. Think about it. It is said that the Tang Dynasty was prosperous, which is also relative to other dynasties.