Yaira Tanies Cotto-Flores, 26, was sentenced to 10 years in prison after taking the youngster back to her hotel room before having sex with him.

In a nine-day trial, the jury heard how Cotto-Flores taught the 14-year-old boy English at his school in San Lorenzo, Puerto Rico.

After having sex with the boy, Cotto-Flores gave him gifts including spot cream and a watch.

The student told police it was his first time.

"She taught me how to put on a condom," he said.

News got out about the affair after Cotto-Flores sent nudes to the boy which he shared with friends.

The boy's parents then reported the teacher to police.

Cotto-Flores was found guilty of one count of transportation of a minor with intent to engage in criminal sexual activity.

(Image: CEN )

As well as the 10-year prison sentence, she will also have eight years of supervised release.

The encounter happened on March 1, 2016, after the pair had met for a meal in town.

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Ivan J Arvelo, a special agent investigating the case, said: "Children who are sexually exploited suffer immeasurable harm.

"While this significant sentence cannot repair the damage done, it should serve as a stark reminder that we are watching, and the aggressive investigation and prosecution of predators remains a high priority."