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BASALT, Colo. – A physical education teacher at Basalt High School faces felony charges for allegedly having sex with a 17-year-old male student.

Lauren Redfern, 25, of El Jebel, Colorado is charged with sexual assault on a child by a person in a position of trust.

She was booked into the Eagle County Detention Facility Thursday morning.

According to the Eagle County Sheriff’s Office, investigators received a report of an “unlawful sexual act” involving Redfern and the student.

“The sexual acts between Redfern and the student are believed to have taken place over the duration of approximately 4 months,” the Sheriff’s Office said in a press release. “These sexual encounters took place at the residence of both Redfern and the victim in El Jebel.”

Redfern will remain in jail pending her first court appearance.

Anyone with additional information is asked to call the Eagle County Sheriff’s Office at (970) 328-8500 or Eagle County Crime Stoppers at 970-328-7007, 1-800-972-TIPS.