In the morning of June 27, the three remaining boys were arrested.
Three boys were arrested an hour after the attack, the police said.
The boy has been arrested 37 times in the last 11 months.
All three boys were arrested within 24 hours of the incident.
The girl was taken to the office, and later that day the three boys were arrested.
A 17 year old boy was arrested and taken into custody about half an hour later.
Six boys have been arrested since the new law took effect March 30.
That boy and a friend were arrested on Monday, the police said.
The older boys, who are 15 and 17, were arrested, though they had not been charged as of early today, the police said.
The owner calls the police, and the two boys are arrested.