"It's been a horrible, horrible day in our community, and we'll never get over this," Tucker said.
The posted speed limit on Interstate 44 is 70 mph. Crain said it was not yet clear how fast the drivers were going and whether they had been speeding at the time of the accident.
Only eight of the victims had injuries serouis enough to warrant taking an ambulence to a hospital, said Crain.
It was the last day of band camp and the children were on the annual end-of-camp trip to a Six Flags amusement park when the collision occurred about an hour from the school.
ABC News' Susan Caraher and Lisa Stark and The Associated Press contributed to this report.