The imperial school was called Dong Xu (東序, literally eastern school) in Xia Dynasty, while Xi Xu (西序, western school) was equivalent to Xia Xiang. In Shang Dynasty the upper school was You Xue (右學, literally right school) and the lower school was Zuo Xue (左學, left school).
The imperial school during the Xia Dynasty was called Dong Xu (東序), while the western school was equivalent to Xia Xiang. During the Shang Dynasty, the upper school was You Xue (右學), and the lower school was Zuo Xue (左學).