A fight broke out at Bear Creek High Thursday afternoon, causing 20 Stockton police officers to respond to the scene.
Three adults walked onto the campus on 10555 Thornton Road and started a fight with a student, Officer Joe Silva said. Several other fights broke out also.
Silva said the officers were able to control the crowd and suppress the fights.
The adults ran away from the scene.
UPDATE: Friday, April 25, 2014 at 2 p.m.
Friday, Devon Stewart, 18, was arrested for battery and inflicting injury on a minor and a 17-year-old boy was arrested for battery, in connection with the incident, Silva said.
Police continue to investigate the incident.