[8] Furthermore, a teacher who bullies may present as a Jekyll and Hyde figure: they are often celebrated and popular so their abuse can go on for long periods of time undetected.
So "yelling" for instance can be highly productive and motivating, but if it involves belittling and is laced with putdowns, personal attacks, and insults, it becomes abusive.
The possible impacts on a child of bullying by teachers include: "If bullying is performed by a person who is supposed to be a caregiver and a role model, it can be assumed that the consequences may be even more devastating for the exposed child" [26] In April 2012, Stuart Chaifetz, a father of an autistic boy, released a video on YouTube[27] providing evidence that his son was allegedly the subject of emotional abuse at the hands of his teacher and aide at Horace Mann Elementary School, in the Cherry Hill Public Schools district.
When he listened to the audio recording, according to one news report, "Chaifetz says he caught his son's teachers gossiping, talking about alcohol and violently yelling at students.
He took the audio to the Cherry Hill School District, where officials fired one of the teachers involved after hearing the tape.