This bag is too small to use for a backpack for school, a folder is too big for it. My toddler wanted a backpack and this backpack was perfect because it was classic (we do not like to buy things with Dora, Disney, Elmo, etc) and a perfect size for her to carry around. It could be used by someone older to carry around (the straps are adjustable) but don't expect to carry binders, folders or textbooks in it.  It is stylish as well that will take her through years, I have a Jansport that I have had for 10 years or more, lasted all the way through college.  I hated that they didn't have a solid pink or more solid colors available.