The mishap took place when the bus, carrying the students of Vision Public School, collided with a truck at Khangund Khumriyal, 100 kms from here, resulting in injuries to 10 students and a teacher, they said.
The injured were shifted to sub-district hospital for treatment, where from two students have been referred to a hospital here.
However, later, one of them, identified as Kashif Fayaz (9) succumbed to injuries, police added.