CAST
The UDL Guidelines are a tool used in the implementation of Universal Design for Learning, a framework to improve and optimize teaching and learning for all people based on scientific insights into how humans learn. It is run by CAST, which is a nonprofit education research and development organization that works to expand learning opportunities for all individuals through Universal Design for Learning. These guidelines offer a set of concrete suggestions that can be applied to any discipline or domain to ensure that all learners can access and participate in meaningful, challenging learning opportunities. For more info, please visit: http://udlguidelines.cast.org/