CHICAGO (CBS) — The Chicago Public Schools have filed a lawsuit seeking to recover $65 million from former CEO Barbara Byrd-Bennett and SUPES Academy, the principal training firm at the center of a kickback scheme that led to her guilty plea on corruption charges.

Byrd-Bennett pleaded guilty in October to a scheme to steer more than $23 million in no-bid CPS contracts to SUPES, her former employer, in exchange for $2.3 million in bribes and kickbacks. She resigned as CPS chief executive officer last spring after CPS canceled its contract with SUPES.

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On Thursday, the Chicago Board of Education filed a lawsuit against Byrd-Bennett, SUPES, and its owners – Thomas Vranas and Gary Solomon – accusing them of breach of contract and unjust enrichment, among other allegations.

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“We are going to go after every dollar that was fraudulently obtained in this conspiracy,” CPS CEO Forrest Claypool said Thursday.

According to the lawsuit, the defendants were paid more than $16.3 million in public funds before the bribery scheme was revealed. The suit seeks full reimbursement, plus civil penalties of three times that amount, or nearly $49 million in penalties. In all, CPS is seeking more than $65 million in damages and penalties.

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Vranas and Solomon have pleaded not guilty to federal charges for their roles in the alleged kickback scheme.