Four teenagers have been arrested after two break-ins at a secondary school in Hove.
Vandals broke into Blatchington Mill School, in Nevill Avenue, Hove, overnight on Wednesday 19 November and Thursday 20 November and again the next night.
Nothing was stolen but items were thrown around the classrooms, Sussex Police said.
A 17-year-old girl, a 15-year-old boy, a 17-year-old boy, all from Hove, and an 18-year-old man from Brighton have all been arrested on suspicion of burglary.
They have been bailed until Wednesday 4 February while the police continue their investigation.