Four arrests in Adelaide schoolies party

South Australian police have made four arrests during schoolies celebrations in Adelaide.

Four arrests have been made during schoolies celebrations in Adelaide overnight but police have reported good behaviour generally.

The arrests related to behavioural offences during the Schoolies Festival at Victor Harbor, while police also issued 46 fines for breaching of the dry zone.

One schoolie, 18, was charged and disqualified from driving for a year after returning a positive alcohol breath test of 0.176.