A Potomac Falls High School science teacher was arrested today on charges of having an inappropriate relationship with a female student.

Andrew A. Robison, 29, of Centreville, was charged with two counts of indecent liberties by a custodian.

Robison allegedly had a relationship with the juvenile. He is charged in connection with two incidents in July when had contact with the victim at her home and a park, both in Ashburn.

The Sheriff’s Office became aware of the allegations on Wednesday. The agency’s Special Victims Unit investigated the allegations.

Robison is being held without bond at the Loudoun County Adult Detention Center.

According to the school’s webpage, Robison teaches academic and conceptual physics. He received a bachelor’s degree in electrical engineering from George Mason University and was pursuing a master’s in curriculum and instruction in physics.

Anyone with additional information regarding this case is asked to contact of the Sheriff’s Office at 703-777-0475.