How to not dress my five year old like a teen?

I need to buy my 5.5 year old clothes for kindergarten (dress code but no uniform.) She's tall with long legs, so she really needs to be in kids sizes, not toddler anymore. But everything in the kids lines looks like it's meant for teens--tight shirts, giant jeans, very short dresses and skirts. I don't want her to dress like this, and she won't want to either (she loves her knee length cotton print dresses, over bike shorts in the summer and over leggings in the winter.) It seems like only the more expensive brands, like Hanna, Boden, and Primary, make things in S/ 6-7 in her style. I don't mind spending a bit more for quality, but I can't buy the number of things we need for $40-$50 each. Any suggestions of where to look? (I've struck out at Target, Carters, and Old Navy.)