大同三中建校于一九五二年,是一所市属重点完全中学.现有学生两千四百多名,教职工二百二十多名.一九七九年被大同市确定为对外开放学校,每年都有来自世界各地的朋友来校参观访问.一九八四年与日本大牟田市延命中学结为友好学校,为中日文化交流和中日友谊做出了很大的贡献. Established in 1952, Datong No. 3 Middle School is a city-wide key high school. There are more than 2,400 students and more than 220 faculty members. In 1979, Datong City was identified as Every year, schools open to the outside world visit friends from all over the world. In 1984, the school was established as a friendship school with the University of Okita, Japan. It has made great contributions to the Sino-Japanese cultural exchanges and Sino-Japanese friendship.