A Bethpage woman has been arraigned on a grand jury indictment charging her with stealing more than $5,000 from her elementary school Parent-Teacher Association while she was treasurer, prosecutors said Wednesday.

Kathryn Savage, 38, was arrested in September and charged at that time with third-degree grand larceny and four counts of criminal possession of a forged instrument, prosecutors said. A grand jury indicted her on additional charges of 10 counts of falsifying business records in the first degree, the Nassau County district attorney's office said.

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Savage was arraigned Tuesday before Nassau County Court Judge Alan Honorof. She faces a maximum sentence of 2 1/3 to 7 years in prison if convicted of the top charge, and is to return to court March 20, prosecutors said.

Savage "forged the PTA president's signature on four checks," prosecutors said in announcing her Sept. 25 arrest.

Between April 1 and May 23, while serving as treasurer of Central Boulevard Parent-Teacher Association in Bethpage, Savage "wrote five unauthorized checks totaling $5,401.20 from the PTA's checking account," District Attorney Kathleen Rice said in a news release.

Savage wrote the first check made payable to her boyfriend in the amount of $3,581.20. Four subsequent checks were written to cash, endorsed, and either cashed or deposited by Savage. Those checks bore the signatures of Savage and another PTA member without that individual's permission, authorization, or consent.

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Rice's office said PTA members learned of the theft from an internal audit. Savage served as treasurer from August 2012 to July 2013, prosecutors said.