Mary Beth Haglin, 24, admitted romping with a 17-year-old almost every day for six months, while working at Washington High School in Cedar Rapids, Iowa, US.
She also sent him raunchy selfies, including her wearing just black lingerie.
But after the school found out, she was quickly sacked and soon became a strip club lap dancer.
Haglin was sentenced last month to 90 days in jail, but has up to six months before she has to report to jail.
SHOCKING: Mary Beth Haglin has appeared in an adult filmSo she decided to take up porn and footage has already surfaced of her first shoot.The former supply teacher was seen stripping off on camera and posing seductively in the clip posted on an adult film site. And she had no problem discussing her shocking past.“We can totally talk about the controversy that I have around me,” she said.CAUGHT: She sent raunchy snaps to the student during their relationship