1945年8月，抗戰勝利，培正隨即進行復員工作，澳門員生分批返返廣州。幾個月之間，廣州及香港兩地校舍之後回收。
In August 1945, after the victory of the Anti-Japanese War, Pei Zheng immediately carried out demobilization work, and Macao staff and students returned to Guangzhou in batches. Within a few months, the school buildings in Guangzhou and Hong Kong were later recycled.