Two. Official website of Mudanjiang Education Bureau shows that there are two key classes in Mudanjiang No.14 Middle School, Class One and Class Four, with strict teachers and rich teaching experience. Mudanjiang No.14 Middle School is a young school founded in 1994. The first headmaster set the goal of "learning from advanced schools, gathering the strength of the whole school, and striving to build No.14 Middle School into a hot junior high school in three years".