Three. Zhanggong, affiliated to Ganzhou City, Jiangxi Province, is located in the north-central part of Ganzhou City, Jiangxi Province. Zhanggong Middle School is a local middle school with three campuses. Middle schools are divided into junior high schools and senior high schools, which belong to secondary education. Junior high school is a junior high school with nine-year compulsory education, and senior high school is a non-compulsory high school.