Can one use "at the school" instead of "in the school" in,
Some rats lived at the school. To get rid of them, the headmaster called in a rat control service.
Can one use "at the school" instead of "in the school" in,
Some rats lived at the school. To get rid of them, the headmaster called in a rat control service.
There's nothing grammatically wrong with it, but it sounds odd. We normally speak of people as 'living at' an address.
It would be more usual to say The school was infested with rats or There were rats [living] in the school.