Nanwu Middle School affiliated to Jiangwan Bridge in Haizhu District of Guangzhou is the headquarters. This is because "affiliated schools" usually refer to schools directly related to schools, while "headquarters" refers to the main campus or general campus related to affiliated schools. Therefore, Nanwu Middle School, affiliated to Jiangwan Bridge in Haizhu District, Guangzhou, is a branch of the school, which is closely related to the main campus or the general campus. Therefore, Nanwu Middle School affiliated to Jiangwan Bridge in Haizhu District of Guangzhou is the headquarters of Nanwu Middle School.