DAMAGE was called to an outer glass panel door at Droitwich Spa High School over the weekend.
The police are not currently sure whether it was an attempted break-in or an incident of vandalism.
Officers are studying CCTV in a bid to catch the culprits following the attack which saw the glass panel smashed.
Witnesses or anyone with any information should call police on 101 or Crimestoppers on 0800 555 111.
