Does your state have a back-to-school sales tax holiday this summer? Find out when — and what — you can buy tax-free. This list includes every back-to-school sales tax holiday this summer, from July 27, 2023, through the end of August. Rules for tax-free shopping can vary from state to state. So, just because something is tax-exempt in one state doesn’t mean it will be in another. Knowing the rules before you shop can help you save the most money. [Sales tax rates are based on data from the Tax