A bus carrying 52 SSC examinees along with one teacher and four guradians fell into a roadside ditch in Batuil area of Dhamrai upazila in Dhaka, according to media report.
The incident took place at 9:00am on Tuesday.
The students were rescued and unhurt students were sent to the exam centre.
Confirming the news, officer-in-charge of Dhamrai police station Dipak Chandra Saha said three students were injured in the accident and they were sent to hospital for treatment.
Upazila Nirbahi Officer assured that examination will be taken later under special arrangements, media report added.