Hudson High School was evacuated around 10:15 a.m. on Monday after a bomb threat was found in one of the school's bathrooms.
The Hudson police and fire departments were called to the scene to investigate the threat and search the school building. Students were evacuated to St. Patrick's Church as per the school's emergency plan.
The search was completed and the building deemed safe by 11 a.m. Classes were expected to resume as soon as students and teachers returned to the school.
The Hudson Police Department will continue to investigate the incident with the help of the school administration. Anyone with information should contact the police at (715)386-4771.