Sweet Search is designed for student use, with all websites selected for use. There are divisions for younger students, school librarians, biographies, and more.
Designed to help schools meet the California laws on including copyright education in schools, this online curriculm is a detailed, customizable learning plan to help educators raise interesting questions about copyright, technology, and law.
Simple website to let you copy a symbol with a regular mouse click, and paste into any type of document, including tweets, emails, etc. Saves you from having to remember keyboard shortcuts or open word or other programs.
Kathy's Picks includes the link to sign up for her weekly newsletter. If you're not familiar with it, it has a wealth of websites and resources for every discipline.