TumbleBooks (which is eBooks for elementary students) TumbleBooks provide story books, read-alongs, non fiction, National Geographic Videos, Language Learning and Puzzles and Games. 

INFOhio transforms student learning by providing equitable access to quality resources and cost-effective instructional and technical support for each student, educator, and parent in Ohio.

Fact Monster is a free reference site for students, teachers, and parents. Get kid-safe homework help and find facts on thousands of subjects.