A school bus and OPP cruiser collided in the south end of Fergus on Tuesday.
The crash occurred around 4 p.m., on Scotland Avenue near Millburn Boulevard.
A person who lives in the area tells CTV News the bus was full of young students at the time.
None of the students were hurt, but Wellington County OPP say the police officer was taken to hospital with minor injuries.
There was visible damage to the front of the cruiser.
The cause of the crash remains under investigation.