Back-to-school shoppers were also found to continue to favor discount stores (63 percent) this year while 57 percent did all or most of their back-to-school shopping during June promotions like Amazon Prime Day, Walmart Deals, and Target Circle Deal Days. Among other findings:Back-to-school budgets: Back-to-school shoppers expect to spend an average of $944 this year across apparel, electronics, school supplies, furniture, and sporting goods – a slight increase compared to last year. Among categories, 87 percent plan to purchase apparel and footwear, 77 percent school supplies, and 44 percent electronics. Back-to-school shoppers expect to spend an average of $944 this year across apparel, electronics, school supplies, furniture, and sporting goods – a slight increase compared to last year. Among categories, 87 percent plan to purchase apparel and footwear, 77 percent school supplies, and 44 percent electronics.