This website is a valuable resource that includes information on all aspects of web accessibility including summaries of the relevant laws, survey information about both web designers and users, and tools to test your site.
This website from CAST provides resources for implementing Universal Design for Learning principles in higher education settings. It will help you to move beyond minimal accessibility to a place where your design meets the needs of all users.
This website from the National Center on Universal Design for Learning provides an overview of the principles of UDL. It is a great resource for those who are new to the topic and for educators who want to make their classes and resources compliant with these principles.
This government website gives an overview of the requirements for web accessibility under Section 508 of the Rehabilitation Act of 1973.
This website from Penn State is an invaluable resource for those interested in accessibility. In addition to a list of resources for web developers, it also provides practical tips such as how to use Google Docs in a more accessible manner. The documentation on the site is also a good example for other schools that are putting accessibility information online.
This open source font is designed to be more accessible to individuals with dyslexia. Since it is free and open source, you can add it to any website you create.