"Working as a custodian requires both mechnical skills and interpersonal skills to effectively maintain buildings. In a interview context, you may have to answer to how you work in a team, operate without supervision, as well as any prior experience that would prepare you for this job. You may also be asked to verbally describe how you would go about a custodial task, such as cleaning a bathroom or fixing a light. Ideal candidates are motivated, strong, and certified through the BSCAI and ISSA."
I would escort the parent/student to the classroom and supervise them while they go through their desk only - or escort them to their locker and supervise them going through their locker only. Then I would walk with them out of the building. Less
Do not let them in! Tell them the building is closed and to come back the next school day. Less