In 1953, Principal Li Yanling was replaced by President Ice Fishing Fu, and then by President Lin Zhan in 1962. Lin Zhan's tenure came at a time of social unrest in Macau due to a recession. Teachers and students worked together to seek funding to stabilize the school. The curriculum of the secondary school was changed to a five-year format, emulating the Australian curriculum, with one year in Chinese; six college preparatory courses were offered in the fall of 1967. President Lin Zhan's campaign to build a 75th anniversary memorial was opened in 1972.