“When she lit it on fire, what happened is the whole entire ramp lit on fire, and the ramp just exploded,” student Eddie Kim said.
Paramedics responded to the school to offer aid, and a friend of Cook's took her to the hospital.
Gwinnett County schools spokesman, Bernard Watson, said the teacher suffered “minor superficial injuries” and should fully recover.
Principal Eric Davidson sent a letter to parents that said in part, “This is a rare situation and we are committed to determining exactly how this occurred so it does not happen again.”
Some students are still trying to sort it out.
"I guess it's just kind of scary," Mia VanTassell said, "knowing that happened at our school."