Founded in 2007, the Postgraduate Students' Association (PGSA) represents the St. Johanians in Wong Chik Ting Hall which is the Postgraduate Wing.
Apart from organising events for postgraduate students, they also collaborate with SJCSA to promote integration between the two cohorts.
Chairperson: Ms. WANG Hechunzi
External Vice-Chairperson: Mr. HE Ruifei
Internal Vice-Chairperson: Mr. RATAJCZAK Oskar
Financial Secretary: Mr. GUPTA Raman
Publication & Publicity Secretary: Mr. HONG Xiang
Social Secretary: Ms. LI Ruiying
Ms. ZHOU Xinbei
Mr. SHEN Zijing
Ms. SHI Zhengyu
Ms. CHEN Xinhui
Ms. HUANG Jiawen
Mr. MU Jun