Robinson laughed with other female inmates as she occasionally stole a quick look at television and newspaper journalists who watched her from across the packed courtroom.
Robinson is charged with three counts of enticing a child for indecent purposes, two counts of child molestation and one count of sexual assault against a person in custody, according to the indictment.
The indictment alleges that Robinson had sex with the boy at her home in the 2800 block of Rasha Drive on Jan 1.
On Feb. 12, she picked the pupil up from his home and drove him to the Augusta Marriott Hotel & Suites on 10th Street, where she booked a room and had sex with him again, according to the indictment.
She is also accused of taking a 15-year-old girl to a home on Channing Court between Jan. 1 and Feb. 16 "for the purpose of child molestation."
Robinson is not charged with actually molesting the girl.
School district officials launched an investigation Feb. 11 after a parent told Principal Thomas Norris that her children had heard rumors of the relationship during a Valentine's Day dance at the school Feb. 10.
Robinson, who also worked as an assistant coach for the girls basketball and softball teams, was placed on administrative leave after the district began its investigation.
She surrendered to authorities Feb. 16 and is currently in the Richmond County jail.
She has not yet had a bond hearing.