In the Han Dynasty, there was imperial academy, and imperial academy's teacher was called a doctor. His main duty was to "teach his disciples", mainly teaching. In the Han Dynasty, there were officials above doctors, servants in the Western Han Dynasty and wine offerings in the Eastern Han Dynasty. In the center of the imperial court, there is an education chief named Taichang, who is also in charge of some educational work. As for the local official school, the local governor concurrently holds the post. As the students didn't show the second material clearly, I can only give so many answers.