She was charged with one count of unlawful sexual activity with certain minors and one count of unlawful transmission of pornography by electronic device.
In 2012, she was sentenced to six years probation with sex offender conditions.
Heather Lasseigne Chiasson, a teacher at South Lafourche High School in Louisiana, was accused in Jan.
She was the teen's study hall teacher at Basalt High School, in Basalt, Colo.
Summer was 20 when she became a Playmate.
This material may not be published, broadcast, rewritten or redistributed.