Teaching career Cheong had previously taught at
Victoria Junior College,
Hwa Chong Junior College, and
School of the Arts. In January 2025, Cheong launched a YouTube channel titled "The Colin Cheong Collection", which features literature work analysis to assist students.
Writing career In 1989, Cheong published his first novel,
The stolen child : a first novel. The novel was highly commended during the National Book Development Council Singapore's 1990 awards. In 1990, Cheong published his second novel,
Poets, Priests & Prostitutes. ==Personal life==