Stacy Schuler, 33, has pleaded not guilty by reason of insanity to holding drink and drug fuelled orgies at her home and she has claimed she has no memory of the events.
The teacher is accused of having threesomes and indulging in sex with one student on her kitchen counter and in the shower.
He said prosecutors wanted Stacy Schuler to be seen as someone with an “insatiable appetite for sex, drugs and alcohol who wanted to be passed around”.
Charlie Rittgers also told a court in Lebanon, Ohio, Stacy Schuler suffered from medical and psychological issues that impaired her judgement.
Stacy Schuler is charged with 16 felony counts of sexual battery and three misdemeanour counts of providing alcohol to minors.
The teacher had sex with five students from Mason High School at her home from August through December last year.
Stacy Schuler worked as a health and gym teacher before resigning earlier this year.
The first incident happened on August 20 after a Mason-Springboro football scrimmage game involving two students who visited her house.
One of the students told the court he had sex with Stacy Schuler on five occasions.
Another student said she made vodka smoothies and they smoked marijuana before teacher had sex with both the 18 year olds.
The student told the court: “She looked at me and said, <<anything you want to do, whatever>>. I just kind of looked at her like what?”
The boy said after he and his friend had sex with Stacy Schuler they all went outside naked to smoke a cigarette.
Other students are due to give evidence against Stacy Schuler who has waived her right to a jury trial.
Stacy Schuler is accused of having sex with two of the teenagers in her shower.
Stacy Schuler faces up to ten years in jail if convicted of all the offences.
Stacy Schuler earned a certificate of completion for a four-hour course called “Child Abuse & Neglect Training” shortly after being hired in 2000. The course is meant to train teachers in recognizing students suffering from abuse.
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