Ferneding was airlifted to the University of Cincinnati Medical Center with serious injuries.
Three more passengers, Vivian Hilbert, 16, Zachary C. Dockery, 16, and Tyler D. Heatherly, 15, all from Ohio, suffered serious injuries and were taken to Cincinnati-area hospitals for treatment, said police.
Alcohol and drugs are not believed to be factors at this time, but toxicology results are pending, said police.
Hizer lived in Oxford and attended Talawanda High School as a ninth-grader, said Holli Morrish, spokeswoman for the Butler County school system.
“We are devastated to hear this news,” Morrish said. “Our thoughts and prayers go out to his family and friends. We will have grief counselors available at the high school when classes resume Monday.”