The Corporation Commissioner, Dr VIjaykarthikeyan, after holding an inquiry, signed the order suspending Nirmala Devi, official sources said.
The school recently witnessed protests by students of plus one and two, who reportedly destroyed some furniture in the class rooms, seeking action, including transfer of the teacher, who abused a student by his caste, and against Nirmala Devi, for not taking action against the teacher, officials said.