USD 470 says all indoor summer school activities at Arkansas City High School are canceled for Thursday, June 22, 2023. High School Athletic weights/conditioning groups will meet at the Bulldog Stadium. Middle School conditioning is canceled. The high school pool will also be closed. At approximately 5 p.m. Wednesday evening, fire alarms sounded at Arkansas City High School and smoke was detected. The few staff and patrons that were on-site at the time safely evacuated the building. Following a thorough search by the Arkansas City Fire Department, the cause was determined to be a fire sensor panel.