BrainPOP - Instructional videos and activities. (Some free without an account.)

Funbrain - reading and math practice games

Kahn Academy  - Free courses, lessons & practice

PBS Learning Media  - a large collection of resources from PBS sortable by grade level and subject

Study Map - An assortment of resources for astronomy, geography, math, and music

Quizlet  - Flashcards and games to help you study