PALM DESERT, Calif. -

The Riverside County Sheriff's Department has arrested a valley teacher on suspicion of sexually assaulting a 4th grade female student.

According to a Sheriff's Department news release sent out late Wednesday, in July 2012 the Riverside County Sheriff's Department began conducting an investigation into allegations of sexual assault on a fourth grade female student at Gerald Ford Elementary School located in Indian Wells.

The investigation revealed additional victims and culminated in the arrest of 59 year old teacher Robert Keith Bryan. Bryan was arrested at his home in Palm Desert Wednesday morning and will be booked on charges of Lewd acts with a minor, and annoy or molest a child.  He's being held on $220,000 bail.  Bryan's next scheduled court date is August 3rd.

Sheriff's Investigators were supported by officers from the Riverside County Sexual Assault Felony Enforcement (SAFE) Task Force, and the Sexual Predator Internet Decoy Enforcement for Riverside (SPIDER) unit.

Anyone with information about this incident is asked to contact Sergeant Tom Brewster from the Palm Desert Station Investigations Bureau at 760-836-1600. Those with information may also reach us anonymously through Crime Stoppers at (760) 341-STOP.