A middle school teacher in Texas is accused of having sex with a 15 year old student multiple times is now pregnant.

Katherine Ruth Harper, 27, who is a seventh grade teacher and cheerleader coach at Tidwell Middle School was arrested after a three month investigation of the sexual allegations.

The school district received an anonymous tip in December of 2016 that the teacher was having sexual relations with a student.

According to an affidavit, Harper and the student were sending flirty text messages and would routinely meet at her home or occasionally at the students home.

Based on cellphone records, the two communicated with each other 76 times from June 1 to July 31. The teen admitted to having a sexual relationship with Harper when school officials questioned him. Police have seized the teen’s phone.

Harper is facing a charge of an improper relationship between an educator and student, a second-degree felony.