Clear and easy to understand videos for K-5. Even though it gives a great bang for the buck, can be a bit pricey in the age of free websites and apps. See if you can swing a few free trials. Animated Science, Health, Technology, Math, Social Studies, Arts & Music and English movies, quizzes, activity pages and school homework help for K-12 kids, aligned with state standards... Comes with a Jr. Edition too for younger kids.
A free resource that uses interactive video and games-based learning to teach students vocabulary. Educators can set school tournaments, and students can play fun learning games challenging classmates and other schools.