[header] How to make your school supplies last [title] Purchase a large enough backpack. [step] Backpacks are one of the most expensive school supplies you'll need. As a result, purchase a backpack that has plenty of room and that you can grow into. 
If you buy a small backpack, you'll likely have to upgrade to a larger one in the near future. [substeps] Pick a backpack that appeals to you, but is neutral enough so it won't go out of style.