A spy camera was found in the female toilet of a secondary school in Kemaman, Kuala Terengganu.
A Form Four student made the discovery on Sunday, after spotting an odd object in the clothing hook by the door of a cubicle.
She removed the camera and handed it to the school authorities.
The incident has caused panic among the female students, who were worried that their photos might be leaked in the Internet.
It is learnt that this female toilet is the only one in use at the school as the other toilets are currently under renovation.
So far, 11 parents have lodged police reports over the incident on Tuesday.
An officer from the district Education Department told an emergency meeting with the school authorities that investigations revealed that the camera was installed just before it was discovered.
It is learnt the department will conduct a throughout search of all the toilets on Thursday.
It is learnt the department will conduct a throughout search of all the toilets on Thursday.