Li Chen. Li Chen, a senior teacher, the seventh teaching expert in Baoshan District, is an excellent class teacher. Many papers such as "Interpreting Content Design Teaching in Mathematical Way" have been published in national core journals, and they are the best math teachers. The middle school affiliated to Shanghai University is a high-standard, modern boarding high school approved by the Shanghai Municipal Government and invested by the Baoshan District Government of 240 million yuan. It is an experimental demonstration high school in Shanghai.