An excellent search engine that included activities and information for younger students.
A non-commerical, fast search engine that only looks for adult-reviewed sites safe for children and teens. The site currently has about 1 million links in its database.
Rich resource and search engine for students.
OneKey - Search Engine
Ask Jeeves for Kids
First searches a database of selected sites arranged as questions; then conducts a parallel search of encyclopedias, Yahooligans and Education World.
A search engine for Grade k-12
Maps and Flags of the World