A 15-year-old Waitaki Girls' High School pupil faces an assault charge as a result of her alleged involvement in a brawl in Oamaru.
Police attended the incident, which took place outside Couplands Bakery on Thames St, at 12pm yesterday.
Police believe up to six pupils and several adults were involved.
Waitaki Girls' High School principal Tracy Walker said the school had spoken to police about the incident and was conducting its own investigation.