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A teacher at Tift County Pre-K Center, identified as Amelia Stippling, has resigned after being caught on surveillance video abusing a special needs student. [Scroll Down For Video]

The student was standing in a doorway Stippling was about to enter and she does she throws a decisive knee to the boys back, sending him immediately to the ground.

The boy’s mother, Sarah Patterson, says that he is four years old. She also said that the family has retained an attorney to pursue possible further action.

Stippling, a teacher of twenty years, resigned shortly after the video emerged. She has not issued any public statements and the school has removed her from their website.