Which dynasty pioneered calligraphy teaching?

The Tang Dynasty was the heyday of the development of ancient calligraphy art in China, and many famous calligraphers appeared, all of whom left extremely precious calligraphy works. Regular script, cursive script and running script also rose to a higher level in the Tang Dynasty, with distinctive characteristics of the times, which had a far-reaching impact on later calligraphy. Therefore, there is a saying that "books flourished in the early Tang Dynasty". In addition, the calligraphy education in the Tang Dynasty also made an indelible contribution to the extraordinary achievements of calligraphy in the Tang Dynasty and had a far-reaching impact on later generations.