Once you get your list, look online and compare prices for the items you need based on the available stores. You can compare online and storefront options to see who has the lowest prices on the things you need.
Thankfully, there are helpful coupon apps that find online coupon codes for you! The easiest way to use apps such as Honey is to download the extension on your web browser. As you shop, the app will keep you updated on price comparisons.
Big box bulk stores are also a great place to find clothes for school each season because even if you are not buying the bulk items, they often have great discounts and low prices on clothing for the whole family.