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MIAMI (CBSMiami) – A South Florida student in serious trouble. He is accused of making a threat against his school.

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Police were called to Somerset Academy in Pembroke Pines Tuesday, when the 14-year-old apparently threatened to shoot up the school after he failed a placement exam.

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The student later told police he was joking.

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Police were not laughing. The teen now faces one felony and one misdemeanor charge.