A 17-year-old boy will appear in court facing arson charges after police say he set light to an office at Cowra High before students returned Sunday. Classes were due to restart for the new week when smoke was spotted. Fire crews put out the fire quickly. Police and fire investigators spent many at the site. The school kept closed for the day. Authorities say no one was hurt. Detectives are still examining the cause. The teen is set to plead innocent. Community members expressed concern over the incident. The fire alarm triggered shortly after the blaze began. Local fire services responded within minutes. The investigation will determine whether additional charges are warranted. The court appearance is scheduled for next week. If convicted, the boy could face significant penalties. The incident has sparked discussion about school security.