Many apps can share/copy to WebDAV. In fact, we have explored options of using Otixo as a cloud-based webDAV server. This free app seems to connect to an internally hosted WebDAV server for uploading/sharing files.
This is a cool app for students looking to get rid of their paper planner. It works on an iPad, iPhone, or as a Mac App. For $2.99, students can track assignments, schedules, and projects.
This list comes from Teacher Reboot Camp. The suggested apps provide multiple ways for students to interact with various aspects of stories: plot, characters, setting, etc.
This is a great blog post from edSocial Media regarding using apps as sources. As more schools move towards iPad integration programs, this is increasingly going to be a challenge.
GoClass is an interesting, free app for teachers that allows them to create lesson plans, poll students and disseminate information from a single app. Currently, registration is free.
A great list of apps for students with special needs. It includes a description, cost, and links. Thanks to Meg Wilson at iPodsibilities for Tweeting this one out.