According to Guangzhou local chronicles, private Fudan Middle School was founded in 1929, and its address is about Baoyuan. Later, Fudan merged with other nearby schools, that is, private Liwan Middle School. Later, it was renamed No.29 Middle School, and now it is renamed Xiguan Peiying Middle School, which is located at No.67 Duobao Road, next to Guangzhou Third Hospital (formerly Guangzhou Second People's Hospital).
My dad's school was merged like Fudan, and he also attended Xiguan Peiying's Alumni Association. Xipei's school history room should have information about Fudan school. Come back and have a look