Leo says that DropBox is a great option for students, which has 5GB free.
For pictures, Flickr has given users 1 TB of data for free. So that's a solid option to upload images. Or, she can just backup those images to an external hard drive and then take the hard drive off site.
She's also wondering what voice recorders would be best for school. Leo says Olympus makes some very inexpensive voice recorders.