(AZ Central) A teacher at Poston Butte High School in San Tan Valley was cited Wednesday after she showed up to school intoxicated, authorities said.

Kathleen Jardine, a 57-year-old math teacher, blew a 0.205 on a breathalyzer test after officials arrived at the school, according to Sgt. Pat Ramirez, a Pinal County Sheriff's Office spokesman.

A student called the front office to report Jardine was intoxicated and yelling at students in class, according to Ramirez.

The teacher was removed from the classroom and confirmed to be intoxicated by the school's resource officer, said Richard Franco, a Florence School District spokesman.

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Jardine initially denied having drunk alcohol, but later admitted she had been drinking Tuesday night, Wednesday morning and Wednesday during her lunch break, according to Ramirez.

"I was afraid I was too intoxicated to drive so I took a cab this morning," Jardine told officials after being questioned about how she got to school Wednesday morning.

A school security officer searched Jardine's purse and discovered a half-full 750 milliliter bottle of vodka and an empty single-serving bottle of wine, Ramirez said.

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Jardine was cited for public intoxication and released into the custody of her daughter as officials conduct a criminal investigation.

After police spoke with students in the class, Ramirez said Jardine also faces possible charges of disorderly conduct.

Jardine has a history of showing up intoxicated to teach, according to Sheriff Paul Babeu. Jardine was fired from a school in New Mexico in 2011 due to a similar circumstance, he said.

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