The teens will be charged as adults, said District Attorney Mike Segrest.
Officials did not note a connection between the suspects or whether they knew those who were at the dance studio, which was hosting a birthday party.
Alabama law enforcement asked witnesses come forward to speak about what happened that night.
“When you pull out a gun and start shooting people, we will put you in jail. We are concerned about the families of the victims,” Burkett said.
With dozens of people injured, there could be more charges filed, he said.
This is a developing story and will be updated.