A science teacher who allegedly had sex with a teenage pupil in an aeroplane toilet later told him she was pregnant and would have an abortion, a court heard.
Ellie Wilson, 29, allegedly performed foreplay on the boy in their seats and then led him into the cubicle where she gave him oral sex.
The pair then had full intercourse while she was perched on one leg in the cramped toilet, Bristol Crown Court heard.
Wilson, from Gloucestershire, later told the boy she was pregnant and would have an abortion, which was 'hard for him to comprehend', the jury was told.
It was claimed that the pair then went on dates to Nando's and a country park with the teenage boy buying her chocolate and flowers in the belief that they were in a proper relationship.
But the alleged fling was exposed when a jealous friend of the victim tried to blackmail Wilson into having sex with him.
She refused to comply and told her superiors at the secondary school where she worked, which cannot be named for legal reasons.
Wilson denies four charges of sexual activity with a child by a person in a position of trust in August and September 2015.
During the opening of the trial, the court heard the boy describe how the sexual encounter unfolded on a flight back from a school trip to Africa.
He said they were both drunk from the complimentary on-board booze when Wilson - who had a boyfriend at the time - began kissing him.
"I was in shock," the boy said in a police interview played to the court. "She kissed me properly, on the lips. There was a lot of body touching.
"Then she proceeded to go into the toilet. She called me in. I walked in closed the door and locked the door. We proceeded to kissing and touching." The boy claimed that the pair had sexual intercourse in the toilet of the aircraft.
He continued: "I asked her if she regretted what happened on the plane. She didn't regret it - there were no regrets. I expressed my worries at this point about a potential pregnancy and she said 'You don't have to worry I'm on the injection'.
"I said 'I just get really paranoid about unprotected sex'."
The boy added: "It wasn't really a teacher anymore, it was like having a girlfriend. I was very confused and very excited - very overwhelmed I guess. A woman aged 26 who has a degree, a nice house and a car.
"She spoke about her partner and explained that she wasn't happy with him. She said he was abusive to her which was hard for me because I cared a lot about this person and there is nothing I can do to help.
"She told me she was pregnant. I said 'I thought you weren't going to come back and tell me you are pregnant'. I would not be able to provide for her child. I'm looking at this teacher and everyone is calling her 'Miss' but I know she's got my baby inside of her."
Virginia Cornwall, prosecuting the case, told the court how the pair became close during the holiday to Africa. They would 'pair up' for activities and stay up late talking after other teachers and pupils had gone to bed, which led to an 'erosion of boundaries'.
All the teachers and pupils were drinking on the flight, and the victim described himself as 'fairly intoxicated' when the sexual encounter took place.
Ms Cornwall said: "The single incident on the plane... she told him, had led to him making her pregnant. She told him because she was scared and she didn't know what to do. She intended to have an abortion. She kept this entirely from her partner. This was difficult for pupil to digest, to understand."
Ms Cornwall described Wilson, who was a science teacher and head of Key Stage Four at the school - as a 'risk taker'.
She said: "This defendant was in 2015 considered a bright and capable teacher. She was a science teacher. Not only was she a science teacher regarded highly by colleagues.
"She was however a woman who had a different side to her. She was a woman who was having a clandestine relationship with a 16-year old-pupil. She is a woman who is a risk taker.
"These are offences alleging a breach of a position of trust. We assume, expect and want our teachers, our social workers and those that look after children and educate them to behave in a way that is not predatory that is not sexual.
"It was the circumstances in which the two interacted on the school trip that led to an erosion of boundaries and it was her responsibility as the adult to ensure there was no erosion of boundaries. She was a 26-year-old woman he was a 16-year-old boy."
"Another pupil became aware of what had happened and started emailing Ms Wilson threatening to expose her unless she in turn said she would have sex with him. She engaged with this blackmailer. Instead of going immediately to a superior she tried to deal with it herself.
"She tried to cover it up until it got to a point where she couldn't cope with it. She told deputy head in middle of February 2016 and the school monitored her emails and police were informed. The child [who emailed her] was dealt with and removed from the school."
Wilson has been struck off on recommendation from the National College for Teaching and Leadership (NCTL).
The trial continues.
Featured Image Credit: PA
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