TECUMSEH, Neb. (AP) — A second trial has been scheduled for a southeast Nebraska high school teacher accused of having sex with a 15-year-old student.

24-year-old Carrie Miller pleaded not guilty on Monday in Johnson County District Court to sexual assault of a minor. Under Nebraska law, people 19 and over cannot have sexual contact with people under 16. Her trial is set to begin Sept. 10.

Miller was a Spanish teacher at Johnson County Central High School.

She’s already pleaded not guilty to five counts of sexual assault of a minor in neighboring Nemaha County. Authorities say Miller and the same boy had sex in her vehicle at an abandoned farmstead in Nemaha County.

Her Nemaha County trial is scheduled to begin on Aug. 13.