Updated

The mother of a sixth grade North Carolina student said she's enraged after her daughter's teacher gave her a failing grade and wrote "loser" on a recent class assignment, Fox8.com reported Monday.

Patty Clement of Buncombe County, N.C., claims her daughter received a grade of 20 percent on the assignment "for being a loser."

Clement, who complained to administrators at Enka Middle School, said the teacher's controversial grading style is unacceptable and claims her daughter is being bullied.

"The Friday before last, my daughter came home and said he threw her pencil box in the hallway," Clement said in an interview with the Associated Press.

The teacher has reportedly defended his actions by saying he uses such comments to "relate" better to his students.

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The Associated Press contributed to this report