Police arrested two adults and one juvenile who allegedly vandalized the inside of Knox Central High School early Friday morning.
According to Knox Schools public information director Frank Shelton the three individuals were students in the district, but did not release the names of the adult suspects.
Shelton said minor vandalism was found inside the school, adding that the interior was cleaned prior to the arrival of students Friday.
Shelton also said the district can confirm that additional individuals participated in the incident and that video is being turned over to police.
Barbourville Police are handling the investigation.