Jorge Tamayo of Chicago was cited for failure to yield while making a left turn. The bus and a pick-up truck collided and resulted in the bus flipping on its side.
The injured were all members of the Libertyville High School girls' volleyball team, on their way to a tournament in Woodstock,police said.
Two were treated and released at the scene. Nine students were taken in good-to-fair condition to Advocate Condell Medical Center in Libertyville and two were taken to Grayslake Emergency Center, he said. Of those two, one was in fair-to-serious condition with a possible broken arm and the other was listed in good-to-fair condition.
The other students suffered minor cuts and bruises. None of the injuries appeared to be life-threatening, officials said.
The students were traveling to Woodstock for a volleyball tournament. According to the high school website, the school's freshman A girls volleyball team was scheduled to play in a tournament in Woodstock today.
The bus was headed north on Route 83 and the truck was headed south when the bus made a left on Washington, said police.
Both vehicles had a green light at the time of the crash, and neither appeared to have been speeding, police said.