A good educational website has teaching games, print outs, videos and more, such as PBS Kids or Starfall. Both of these sites works well for kids of all ages and has engaging content on various subjects.
The Sesame Street website is geared toward younger children and has hundreds of video clips and games that teach letters, animal sounds, rhymes, colors and more. CoolMath has online math games that teach addition, subtraction, multiplication and more. It is primarily for children age 13 and older, although there is a section for ages three through 12.
Make Me Genius is a site that challenges students of all ages to try subjects like physics, botany, biology and astronomy. The site contains a lot of video tutorials that are designed to be kid friendly and informative without being boring. National Geographic Kids encourages educating students about nature and wildlife. The site is also for all ages and teaches topics about animals, nature, geography and science.
How Stuff Works is an all-encompassing site with articles on automobiles, culture, entertainment, science, technology and more. There are also games and videos for classroom use. Because the site has so much information, it resembles a search engine, where students can type in a question and access several articles or games that address the topic.