The bomb threat was found at 10:15 a.m. at the school.
School officials evacuated the building as a precaution, the Hazardous Devices Unit swept the building and nothing was found, a news release fromt eh sheriff's office said.
Once the school was cleared by the Hazardous Devices Unit, the students were allowed back into the school at about 12:10 p.m., the release said. Police are still investigating.
