PA teacher Chelsea Lorson has intercourse with her student and his brother, gives them both STD

Chelsea Lorson, 25, has been charged for having sex with a student and his younger brother just weeks after starting her job at the school.

Cops say Lorson knowingly had two STDs when she had her romp on a driveway with the first teenager and then, weeks later, slept with his younger brother as a birthday gift in January.

Officers added the boys said they'd had intercourse and oral sex with the teacher multiple times.

BIRTHDAY SEX: Police say Lorson had intercourse with one pupil as gift for his special day

Lorson, who has been suspended from her job at Lewisburg Area High school in Pennsylvania, allegedly began flirting with the boy first on Facebook.

But she showed off a picture of the boy's abs to a friend who reported the alleged abuse.

And on Wednesday Lorson was arrested on suspicion with involuntary deviate sexual intercourse, corruption of minors, statutory sexual assault, institutional sexual assault and reckless endangerment.

SEX EDUCATION: Lewisburg Area High school has suspended Lorson

She remains on a $25,000 bail.