High-end grade. According to the information of official website of Shandong Changle No.1 Middle School, this middle school was founded in 1938, with complete teaching facilities, including office building, science and technology laboratory building, library and information building, art activity center and sports activity center. It is a typical demonstration case unit of national basic education informatization application, a winner of national basic education teaching achievement award, and a key middle school in Shandong Province, which belongs to high-end grade.