29,700. official website shows that there will be 29,700 junior high school students in Pu 'er by 2023, 7,050 more than the 22,650 senior high school students in 2022. Pu 'er City is a prefecture-level city in Yunnan Province, which is located in the southwest of Yunnan Province. It is inhabited by people of many different nationalities, such as Han, Hani, Yi, Lahu, Wa and Dai.