Dalian Economic and Trade High School, Dalian Ruige Middle School and Dalian Jiankai Middle School. Dalian Xinzhaizi is located on the edge of Dalian city. Dalian Education Information Network shows that Dalian Xinzhaizi Private High School includes Dalian Economic and Trade High School, Dalian Ruige Middle School and Dalian Jiankai Middle School. Private high school refers to a high school invested by private or private institutions and approved by the local government and education department. The combination of education and government pays more attention to efficiency.