A high school teacher from Melbourne, Troy Ollis, was found guilty of boasting about recording intimate encounters with a female student, whom he disturbingly referred to as a “conquest” and “trophy.”

On Tuesday, the Melbourne County Court sentenced the 34-year-old former educator from MacKillop College Werribee to six years and 11 months in prison.

Ollis had earlier admitted to several sexual offenses, including creating and possessing child exploitation material, yet he still had the backing of his wife throughout the proceedings.

The married ex-teacher from a Catholic institution was revealed to be a child sex offender following his arrest at Melbourne Airport in January 2025.

Ollis’s criminal acts involved manipulating the victim into participating in his depraved activities, during which he recorded and photographed more than a dozen abusive episodes.

Testimonies in court described how Ollis violated the young victim at various locations, including hotels, his family residence, and his vehicle, during prolonged ordeals, all while the girl’s parents believed she was safely at work.

Ollis, who appeared at court via video-link from Fulham Correctional, also filmed himself having sex with the girl while the movie Aladdin was playing in the background, the court was told.

At one stage after a sexual encounter Ollis told his victim: ‘My life is over, isn’t it?’

Former teacher Troy Ollis, 34, was sentenced in the Melbourne County Court on Tuesday to six years and 11 months behind bars.

Ollis taught at MacKillop College Werribee (above)

The teacher also used a sex toy to violate his victim, choked her and discussed the girl’s ‘younger sister’ with her.

Ollis also complimented the child on her schoolwork and stated he was never going to leave his wife for her.

‘You’re my teacher, aren’t you ashamed,’ the victim asked while filming herself penetrate Ollis anally.

The deviant replied: ‘No… I love your little fingers in my a*******’.

Prosecutor Deanna Caruso previously told the court Ollis got his hooks into the victim after ‘grooming’ her with more than 200 emails in which he praised the child as a ‘promising student’.

‘The offender engaged in grooming behaviour by complimenting her maturity, writing style and work ethic through email,’ Prosecutor Caruso told the court.

Prosecutor Caruso said Ollis ‘manipulated’ the victim so he ‘got what he needed’.

‘Which was a young person who was compliant… who would adore him,’ Prosecutor Caruso said.

Ollis purchased the girl a secret phone so he could covertly communicate with his victim

Ollis then purchased the girl a secret phone so he could covertly communicate with his victim after her father applied strict parental control settings on his daughter’s regular phone.

The pair also communicated via ‘secret email addresses’ and used ‘self-destruct’ apps, the court was told.

Australian Border Force officers caught Ollis with child abuse material at the airport on January 14, 2025 after officials examined his phone and discovered 140 child abuse material files.

The teacher had just flown home from a holiday in Tanzania with his wife and four-year-old son.

Many of the child abuse photos and videos investigators found on Ollis’s phone depicted the student.

Police also discovered other child abuse material, some of which depicted children believed to be as young as three years old.

In a twisted revelation, Ollis also sent one of the student sex videos to a WhatsApp chat accompanied by the message: ‘He he I have a lot of videos and photos with this girl. She loved being on camera with my d***.’

Police also discovered vile written child abuse material on Ollis’ phone with a note titled ‘Daily Routine’.

Ollis pleaded guilty to seven counts of sexual penetration of a child aged 16 or 17 years under care, supervision, or authority

The material included a written remark instructing a female student to perform vile acts, including: ‘wake up, play with your c*** for 15 minutes, send master a good morning text and picture… get ready for school’.

Ollis, who pleaded guilty to seven counts of sexual penetration of a child aged 16 or 17 years under care, supervision, or authority, was represented by top criminal barrister Belinda Franjic.

Ms Franjic previously told the court her client’s relationship with the victim started as an ‘appropriate’ teacher-student connection but ‘evolved’ over time.

‘It’s the way the victim made him feel that led him to transgressing these boundaries,’ Ms Franjic told the court.

Ms Franjic also submitted Ollis did not ‘target’ or ‘deliberately groom’ the victim while conceding her client ‘should have known better’ than to start a relationship with a student.

Prosecutor Caruso said: ‘He had an attraction to the victim, he had an attraction to females of that age.’

The court heard a psychologist also found Ollis was an ‘inadequate man’. 

Experienced County Court sex crimes adjudicator Judge Paul Higham said ‘no teacher can stay within the post feeling sexually attracted to their pupils’.

Experienced County Court sex crimes adjudicator Judge Paul Higham (above) said Ollis treated his victim as a ‘conquest’ and a ‘trophy’

‘Had it happened between adults it would have been body positive, sex positive I would have described it, but this happened with a child,’ Judge Higham said.

Judge Higham also described Ollis’ conduct as ‘deranged offending’.

‘Boundaries were crossed and you betrayed the trust placed in you in the service of your own desires, a breach of trust is inherent in this offending,’ he said.

‘You offended over three-and-a-half months because you simply gained sexual satisfaction from it as your membership of various chat groups makes clear.

‘You were resolved upon your own desires and needs and were heedless of the potential detrimental and adverse impact fulfilling those needs then had upon your victim.’ 

Judge Higham also termed Ollis’ ‘moral culpability’ for his offending as ‘high’.

‘Instead of holding the images of your intimacy in a private place, as I am sure [the victim] would have wished you to do, you shared an image, the accompanying words, which I will not repeat, make clear that not only did you abuse the trust of a child under your authority but reduced her supposed maturity, love and sexual preparedness to a trophy, a conquest of which you boasted,’ he said.

‘This is the validation that you obtained and the sharing of that image is an aggravated feature of that offence.’

Ollis, who was supported in court by his parents, was jailed for a maximum of six years and 11 months with a non-parole period of four years and two months.

He was also made a registered sex offender for life.