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 promptly. Police and fire investigators spent many at the site. The school remained closed for the day. Authorities say no one was hurt. Detectives are still probing the cause. The teen is set to plead not guilty. Community members voiced concern over the incident. The fire alarm activated shortly after the blaze began. Local fire services arrived within minutes. The investigation will decide whether additional charges are warranted. The court appearance is scheduled for the near future. If convicted, the boy could face significant penalties. The incident has sparked debate about school security.