A double-decker bus carrying 56 school students has crashed and overturned in a field off the A350 between Upton and Lytchett in Poole. It happened shortly after 8.15am this morning (Monday).
Dorset Police said three passengers and the driver were treated for "minor injuries".
The South Western Ambulance Service have since said that five were taken to hospital, along with the driver.
The bus, registered to a Plymouth-based company, was heading for Kingston Maurward College in Dorchester.
The students who were not injured were taken to a "place of safety" to await a replacement bus service, Dorset Police said.
A Dorset Police spokesman said the casualties received "minor injuries".
Parents and guardians concerned about the incident have been told to contact a helpline set up by Kingston Maurward College on 07894 751 302