iSEEK™ Education is a targeted search engine that compiles hundreds of thousands of authoritative resources from university, government, and established noncommercial providers. It provides time-saving intelligent search and a personal Web-based library to help you locate the most relevant results immediately and find them quickly later.
If you use Wordpress the Yoast SEO plug in is by-far the best. This is the definitive guide to optimizing your SEO for Wordpress and is something appropriate for serious bloggers or school webmasters/ IT to read and understand, especially if you're using their SEO optimizer for wordpress (which is free and awesome.)