According to court documents, police received a tip that Brian Drake had sexual contact with a student at Cypress Creek High School in 2015.
The tip included a voicemail allegedly of Drake threatening to kill himself if the female student reported the relationship.
Police said they found evidence of sexual messages on the student's phone.
Charging documents allege the educator had sex with the student in the parking lot of Houston Northwest Church, at her home, and at his home while his wife was gone.
Drake was arrested and has been released from jail on bond.
This afternoon, Cy-Fair ISD released the following statement: We were deeply concerned to learn about an alleged inappropriate relationship between a staff member and a former student at Cypress Creek High School. Due to the seriousness of the allegation, the staff member was immediately removed from the campus. Law enforcement conducted a full investigation, leading to the arrest of the suspect. We fully support the swift prosecution of anyone caught violating student safety.
Former Cy-Fair ISD teacher gets 8 years for inappropriate relationship with student
Former Galveston ISD teacher accused of inappropriate student relationship
Schoolhouse scandals: Recent cases of teachers accused