Ok I second that, go with Campeggio. Now upon remembering my 7th grade days, a small bag for school won't do her any good as she'll probably need to bring at least several notebooks and binders, not to mention possibly textbooks now and then, and all the little pens/pencils/accessories she might choose to carry.
I do have a Scuola but I tried putting a 1.5" binder in the main compartment and it wasn't happy vertically (but there was still room in there for smaller books or notebooks). The Scuola's front pocket and mesh pockets did come in handy, though....the Campeggio comes close to that with its two front flap pockets and the inner pockets/zipped pockets.