Enticement of a minor is the legal description of the charge facing Amanda Ludwig, 28, a teacher at Manual High School.
District 150 has placed Ludwig on unpaid leave.
Prosecutors say from last August to this January, Ludwig texted a student under the age of 18 to engage in sexual activity.
She was arrested on February 4th.
She posted bond and is under house arrest.
If convicted, Ludwig could get ten years in prison.