Also in 765, Yu, because he believed himself capable in literary matters, was made the acting principal of the imperial university (國子監, Guozijian).

Under him, the imperial university, which had been destroyed during the Anshi Rebellion, was rebuilt.

Thanks to another side of the agreement, he also sent nobles and family members to Chang'an to study at Tang's imperial university.

After the imperial university was founded, he was appointed professor of Greek literature (1809) with Boissonade as his assistant.

In 664, he was made the deputy principal of the imperial university, when he requested to retire on basis of old age.

Prior to 1918, "university" was synonymous with "imperial university", but as a result of the Council, many private universities obtained officially recognized status.

College education was largely limited to the few imperial universities, where German influences were strong.

Some other institutions such as the imperial university of Constantinople claim that they changed from schools to universities as early as the 11th Century.

Osaka Imperial University was inaugurated as the sixth imperial university in Japan.

He was also created the Duke of Yingyang and made acting principal of the imperial university.