Cao Jingang. According to the school official website, Mr. Cao Jingang was praised as a "big coffee in mathematics" by students. Xinhui No.3 Middle School was founded in 1985, and now it has developed into a model school of routine management and a famous school in Chifeng. The school covers an area of 23,600 square meters, with a building area of 1 10,000 square meters, and relatively complete education and teaching facilities.