Georges River College Senior Campus, Oatley, principal Anna Girginis contacted parents on Wednesday, a week after Kontou was granted bail in Sutherland Local Court, to address a "matter of concern for our school community."
"As you may be aware, a college staff member was recently charged with child sex offences," Girginis wrote. "Student care and wellbeing are our highest priorities. If you are concerned regarding the impact of this matter and wish for your child to access counselling, please contact the college to arrange this when classes resume."
Kontou, 32, was charged last week after an Inner West Police Area Command investigation into allegations she sexually assaulted and groomed a Newington College student under 16 at the time. The charges include aggravated sexual assault, which under NSW law is equivalent to rape, as well as multiple counts of sexual touching, inciting sexual acts, and using an electronic device to groom the alleged victim.
She taught geography at Newington for two years and led a year 7 mentorship group before leaving in 2019. Police said the investigation restarted in 2025 after allegations had been conveyed to police in previous years.
Kontou had been permanently employed by the Department of Education at Georges River College Oatley Senior Campus since 2024, teaching society and culture, history and geography. She was removed from the school as detectives prepared charges. Her accreditation has been revoked by the NSW Education Standards Authority, and she remains on the public payroll on "alternative duties" while bail conditions ban her from teaching children.
The charges do not relate to her time at the Oatley school, and she is not accused of criminal wrongdoing while employed by the department.
Kontou was granted conditional bail and must report to Sutherland Police Station weekly, surrender her passport, and avoid contact with the alleged victim and prosecution witnesses. She is also banned from being in the company of a child without another adult present. She will next appear at Burwood Local Court on November 25.
A Newington College spokesperson said: "Newington College does not tolerate conduct by individual teachers that is in conflict with our professional standards or the law. As this matter is before the courts, we are not able to provide any further comment at this time."