Open Educational Resources (OER) are teaching, learning, and research resources that reside in the public domain or have been released under an intellectual property license that permits their free use and repurposing by others. OER includes full courses, course materials, modules, textbooks, streaming videos, tests, software, and any other tools, materials, or techniques used to support access to knowledge (via William and Flora Hewlett Foundation).
The Open Education movement is built around the 5Rs of Open.
Check out the OER Starter Kit by Abbey K. Elder from Iowa State University.
Attribution: "An Introduction to Open Educational Resources" by Abby Elder is licensed under a CC BY 4.0 International license.
The cost of books and supplies at Roosevelt University for a single year is $1200.
According to a report from the Public Interest Network, because of high textbook costs