Alexandria Vera
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Texas middle school English teacher Alexandria Vera, 24, turned herself in to authorities Wednesday, June 1, 2016 after authorities issued a warrant for her arrest on a child sex abuse charge.
Court documents allege Vera had a nine-month sexual relationship with a 13-year-old male student who authorities say impregnated her. She allegedly later terminated the pregnancy after officials began investigating the case.
Court documents allege she was introduced to the boy's family as his girlfriend, and the woman said that his parents supported the relationship and invited her to family gatherings. She reportedly said she told a school district investigator the family was "very supportive and excited" when she disclosed her pregnancy. She allegedly said she and the boy "love each other."

Kimberly Naquin
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Kimberly Naquin, a geography teacher, was arrested Dec. 14, 2016. She's accused of having a sexual relationship with a female student, then 16, she taught at Destrehan High in St. Charles Parish, La.. The alleged sex happened at Naquin's former apartment complex in Kenner between August 2014 and September 2015. Destrehan High was also the subject of controversy in 2014 when two other female teachers were accused of having sex with a 16-year-old boy.
Haeli Noelle Wey
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Haeli Noelle Wey, a former math teacher, was arrested in mid-December 2015 for allegedly having an improper relationship with two of her students, reports CBS affiliate KEYE.
Wey, 28, was reportedly charged with two counts of improper relationship between educator and student. Wey had been teaching at Westlake High School in Austin, Texas, until Oct. 30, 2015.

Kyle Damato-Kushel
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Kyle Damato-Kushel, a 45-year-old teacher's aide from Bridgeport, Conn., has been accused of carrying on a sexual relationship with a 15-year-old boy that she once taught in preschool.
Kyle Damato-Kushel was arraigned Monday, December 21, 2015 on charges of sexual assault, impairing the morals of a child and tampering with a witness.

Virginia Houston Hinckley
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Virginia Houston Hinckley, a 26-year-old St. Augustine, Fla. high school teacher, charged with having unlawful sexual activity with a 16-year-old boy, turned herself in on Dec. 9, 2015.
CBS affiliate WKMG reported that the student told police he became "flirty" with Hinckley, his English teacher, days after school began and that he and others commented on how she was pretty and how he "tickled" her.
The student initially asked for Hinckley's phone number, according to the station. She said no, but when he asked again the next day, she gave it to him and told him not to tell anyone, the affidavit said.
The two began exchanging text messages, including nude photos, according to the student.

Nicole Dufault
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Nicole Dufault, 35, of New Jersey, was charged with aggravated sexual assault and child endangerment in a 40-count indictment.
Authorities have alleged that 14- and 15-year-old boys were sexually assaulted many times in 2013 and 2014 by the language arts teacher. They say some of the sex acts occurred on school property and in her car.

Kathryn Ronk
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A former teacher at a Detroit-area high school accused of having sex with a 15-year-old student was sentenced to 6-to-15 years in prison.
Kathryn Ronk, 30, pleaded guilty to third-degree criminal sexual conduct as part of a sentencing deal. She had faced five counts of first-degree criminal sexual conduct.
Authorities said she engaged in sexual acts with the teenager in classrooms at Bishop Foley High School in Madison Heights. Ronk was a Spanish teacher at the school, north of Detroit.

Brianne Altice
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Brianne Altice, a former Utah high school English teacher, faced three separate trials over allegations she had sex with three male students.
Altice, 35, will also stand trial a fourth time to face additional charges alleging she had sex with one of the students while she was out on bail.
Prosecutors say Altice had sex with a 17-year-old boy between November 2013 and August 2014. The incident allegedly happened while she was out on bail in the initial sex abuse case involving two students.
One boy said that he considered her to be his girlfriend during their year-long sexual relationship.
But the boys were all minors, and Utah law also says a person cannot consent to sex if the other person is in a position of special trust. Altice pleaded guilty to three counts of forcible sexual abuse in exchange for prosecutors dropping 11 other counts, including several first-degree felonies.

Melody Lippert and Michelle Ghirell
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Melody Lippert, 38, and Michelle Ghirelli, 30, were arrested in January 2015 after allegedly having sex with students on a November beach trip in California.
Both Lippert and Ghirelli worked at South Hills High School, located outside of Los Angeles, and were married with families at the time.
Lippert had allegedly met up with a group of male students in November 2014 and supplied them with alcohol, also having sex with one of them, investigators say.
Several weeks later, Ghirelli and Lippert held another trip with several of the same students. The two teachers are accused of having sex with two male students on that trip -- one was 18-years-old and another was a minor.

Rachel Respess and Shelley Dufresne
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In October 2014, two teachers at Louisiana's Destrehan High, Shelley Dufresne, 32, and Rachel Repress, 24, were accused of inviting a 16-year-old student to a home for a sexual encounter. Dufresne faces two charges in Jefferson Parish of carnal knowledge of a juvenile. She will be tried alongside Repress, who pleaded not guilty to a charge of failure to report Dufresne's alleged crime.
Dufresne was also charged in St. Charles Parish and has agreed to a plea deal to avoid having to register as a sex offender.