Sha Tin Government Secondary School (STGSS; 沙田官立中學) is located in Sha Tin, Hong Kong. It was founded in September 1972 and has now become a full-fledged co-educational grammar school. There are 24 classes with an enrollment of approximately 960 students in the year 2017–18. The current principal is Ms. Lam Yuet-wah Janice (林月華).