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.

Executive Members:

Chairperson: Ms. FENG, Yueman

External Vice-Chairperson: Ms. ZHAO, Yiting

Internal Vice-Chairperson: Mr. DUAN, Chengqi

Financial Secretary: Ms. SUTTER, Ellen

Publication & Publicity Secretary: Ms. LIU, Weiqi

Social Secretary: Ms. FINI, Claudia