Tip: A classroom full of new Wikipedia editors may get blocked because they're all contributing from the same IP address with new accounts. For class assignments, you might structure work to be done at home/off-campus.
Template messages\Cleanup: These messages are used to notify other editors that an entry could use some work.
Stubs are very brief articles in need of expansion
Articles to be expanded are more than stubs, but still need work
The MSU Main Library has hosted a number of edit-a-thons:
The Michigan Portal includes a list of articles that need work or have been requested (see the "Things you can do" area)