DirectoryKnowledge.com provides a list of websites related to education, knowledge including degrees, schools, services, software, textbook, language, methods and theories.
Equity
Making Schools Work for Every Child
provides a collection of math and science equity materials.
http://equity.enc.org/
Teaching Tolerance
aims to expose hate, racism, and bigotry by providing practical tools to promote tolerance. Includes a searchable hate map, a virtual tour of well-known hate sites with pop-up truth balloons, and ideas for teachers.
http://www.tolerance.org/