I would call the school nurse supervisor or even the principal to see what's available and if you could go in and see the office/supplies beforehand. In our district we have special dr orders of treatments we can do like bacitracin for cuts and blistex for chapped lips, etc that the school system supplies. Our schools
provide everything we need. I could not imagine supplying bandaids, cups, soap, etc out of my own pocket for an entire school unless they reimbursed me. All that should already be there and if it's not you could check when you get you get your job offer what/where the protocol is and how to go about obtaining needed supplies. We always order the spring before school ends so you should really already be stocked up. Our district also gives us a certain amount of money each year that we can spend on anything we want work related so check into that as well. On a regular basis you will use a thermometer, flashlight (to check for sore throats and pupils), otoscope, blood pressure cuff, stethescope, bandaids, bags of ice, stuff to clean/spray for germs, cups, hand sanitizer, tweezers and fingernail clippers, salt (for sore throat gargles), bacitracin (with an order), and vaseline. We also use crackers and juice for stomachaches. All that is already provided for us. I would not buy any of that until you find out what's already provided in your school. Good luck!