A Harlandale Independent School District teacher was arrested on a charge of sexual assault of a child, according to the San Antonio Police Department.

Edwardo Cantu, 46, was arrested on Tuesday. SAPD said the alleged assault, which involved Cantu and a teenage student, happened on Nov. 10

Police said the alleged assault may have happened on school grounds at McCollum High School.

Police said the campus’ administration learned of the alleged assault on Nov. 19 “through word of mouth.”

Officers later obtained a warrant for Cantu, who was taken into custody without incident during school hours at the campus on Tuesday, SAPD said.

Police said Cantu did not have any criminal history.

KSAT has reached out to Harlandale ISD to confirm Cantu’s employment status.

The district sent KSAT the

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