For kids' clothes, no one retailer has the lock on back-to-school season this year

Rachel Szylar, a stay-at-home mom of three kids in New Jersey, has shopped at now-bankrupted Gymboree and Children’s Place before. But this year, she’s planning to venture to big-box retailers Kohl’s, Target and Walmart to pick up graphic tees, polo tops, dresses and denim for her 10-year-old son, seven- and two-year-old daughters.