Qingdao No.3 Middle School, founded in 1945 and formerly known as Cangkou Junior High School, was one of the only four public schools in the city at that time. The school has 32 classes, located in Licang District, Qingdao, with Loushan in the north and the sea in the west. It is a standardized school in Shandong Province, an advanced unit of spiritual civilization construction in Qingdao, a standardized school in Qingdao, a model school for running schools according to law in Qingdao, an excellent grade school for quality education in Qingdao, an advanced collective of educational technology and equipment in Qingdao, a traditional sports project school in Shandong Province, a pilot middle school for training sports reserve talents in Shandong Province, and a moral education experimental school of China Education Association.

After more than half a century of travel-stained, persistent progress and generations of painstaking efforts, this ancient school is full of vitality and prosperity. After 70 years' accumulation, the school motto of "Every little makes a mickle, and never stops striving for self-improvement", the school spirit of "honesty and civilization, diligence and preciseness, wisdom and kindness, seeking truth from facts, pioneering and innovating" and the teaching spirit of "Ming De, rationality, precision work and love for life" gave birth to the study style of "lofty aspirations, erudition and good thinking". The school has 2 outstanding teachers in China, 3 outstanding teachers in Shandong Province, 2 special-grade teachers in Shandong Province, 3 teaching experts in Shandong Province, 5 outstanding teachers in the city, 2 teaching experts/kloc-0, 5 academic leaders in the city and 35 outstanding young teachers in the city.