Parents of students studying in a government school in Tirupur staged a protest in front of the institution on Thursday, claiming that the children are made to clean the school campus since there were no sanitary staff. The panchayat union middle school in Nachipalayam has about 500 students studying till class VIII. Parents have been complaining for long that despite good strength, the school does not have enough teachers. Of late, the parents were upset that the children were made to clean the campus since there were no sanitary staff to do the job. Recently, the parents expressed their opposition, but the school authorities continued the practice.