Meridian police say they've made a third arrest in and arson at Parkview Elementary in Meridian June 12.
The latest arrest is a 13-year old. He is charged with felony vandalism, arson and burglary to a commercial building.
An 11-year-old and 13-year-old had already been arrested in the case, facing similar charges.
Police say all the cases will be handled by the Lauderdale County Youth Court.