You can record the student's bus name and number at Admin > Config > Buses.
In this area you can see if any Bus information has already been input, which you can Edit or Delete (by first clicking on Edit).
Alternatively you can click Add New to set up an additional Bus route, then select Insert to save.
The Bus name will be available to select in the Student Profile under the Extended Tab, within the Further Information section.
You can report on which buses students use here: Student Travel Report