Add desired wikipedia articles to a "book". You can change the order of the articles in your book and structure them using chapters. Further, you can download the books as a PDF or ODF, or order a printed book.
Help - http://en.wikipedia.org/wiki/Help:Books
Looking for partners for a global project? Global School net allows you to search for partners from all around the world. Volunteer your class for projects and look for other classes to work with you.