Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. They tackle math, science, computer programming, history, art history, economics, and more.

Brain Pop has over 1,000 short animated movies for students in grades K-12, together with quizzes and related materials, covering the subjects of science, social studies, English, math, engineering and technology, health, and arts and music.

Epic is the world's leading online children's subscription book service offering immediate, on-demand access to over 35,000 high-quality illustrated books and chapter books for children ages 12 and under. ... With Epic books can be easily discovered, read, and shared with friends!

ReadWorks is an online resource of reading passages and lesson plans for students of all levels K-12. The company was founded with the goal of improving reading comprehension by bringing the latest in literacy teaching research into your hands.

ABCya is a website that provides educational games and activities for school-aged children. The games on the website are organized into grade levels, as well as into subject categories.

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Breakout EDU is a virtual escape room where children work to complete educational tasks to solve a riddle. This is fun, fast-paced, and highly engaging.

edHelper is an online service that provides printable worksheets to teachers and parents. They offer a wide range of materials, including math, language arts, reading and writing, social studies, science, and much more!

Read Theory is a powerful educational tool that offers online reading activities for all ages and ability levels. The custom web application adapts to students' individual ability levels and presents them with thousands of skill building exercises that suit their needs.