Changchun 53 middle school is the key. Changchun No.53 Middle School is a nine-year full-time middle school. Changchun No.53 Middle School is a key middle school in Changchun City. It has good teaching resources and teachers, pays attention to students' all-round development and innovative education, and has a certain popularity and reputation in the education system of Changchun City. So Changchun 53 Middle School is the key.