A teacher from Sydney has been charged with multiple offences related to the alleged grooming and sexual assault of a student during her employment at a prestigious private school. Deandra Kontou, 32, has faced the judicial system with nine charges, including aggravated sexual assault and four counts of sexual assault, among others.
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Kontou was employed at Newington College, located in Stanmore, between 2017 and 2019, during which time the alleged incidents are reported to have occurred. According to police sources, the alleged abusive behaviour encompassed a period of six months and involved the interaction of Kontou with a male student.

The investigation suggests that Kontou began by introducing the student, who was a minor at the time, to inappropriate materials in an attempt to facilitate unlawful activities. It is claimed that she subsequently used electronic communication to groom the boy, exerting coercive pressure on him to engage in sexual acts against his will.
Reports indicate that much of the alleged misconduct took place on the school’s premises, with some incidents also occurring during an overnight field trip to Fitzroy Island, within the Great Barrier Reef Marine Park. During this trip, Kontou is accused of twice sexually touching the boy in the lead-up to a more serious assault later that evening.
On Monday, September 21, Kontou was arrested while working at another school in Sydney. She subsequently appeared at Sutherland Local Court, where she was granted bail under strict conditions. These include surrendering her passport, reporting to local police daily, and refraining from contacting the alleged victim or any witnesses involved in the case. Additionally, she is prohibited from entering educational facilities and must not be in the presence of minors without parental supervision.
Following her removal from Newington College, where she was reportedly put on an “approved leave of absence” after allegations were made by other staff, Kontou accepted a permanent teaching position at Georges River College Senior Campus in Oatley, starting in 2024. Notably, the charges against her do not pertain to her time in this new role or during her previous employment with the NSW Department of Education.
In light of the serious nature of the allegations, the New South Wales Deputy Premier and Education Minister, Prue Car, has initiated an urgent review of the processes surrounding Kontou’s hiring. This inquiry will focus on any correspondence between the education department and law enforcement prior to her appointment at Georges River College.
Responding to the troubling news, Anna Girginis, the principal of Georges River College Senior Campus, assured parents in a recent letter that the welfare of students is the school’s top priority. She encouraged those affected by the situation to seek counselling.
As the legal proceedings unfold, Kontou is scheduled to appear at Burwood Local Court on November 26. Meanwhile, the local community is left grappling with the implications of these serious allegations and the circumstances surrounding the case.
The arrest and charges against Kontou have raised significant concerns regarding child safety in educational institutions. The police are actively encouraging anyone with information or suspicions of child abuse to come forward and report to the relevant authorities.
In a climate where the protection of children remains paramount, the actions of teachers and those in custodial roles are under an ever-watchful eye. The broader educational community will undoubtedly be affected by this incident as it reinforces the necessity for thorough vetting and monitoring processes to ensure the safety of students in schools across the region.
The case continues to develop, and updates are expected as the matter proceeds through the legal system.
