Online Educational Games

Funbrain.com
Play Kids Games
Fractions
Web Math - K-8
Guide to Grammar and Writing
Grammar Golillas
A+ Math
Scholastic's Magic School Bus
Scholastic Games & Contests
History for Kids!
ARS Science 4 Kids
K-8 Kids' Place
Kids Hub
Learn to Read
Math: Kindergarten - 8th Grade
Cool Math Games

Read Books Online

Candlelight Stories
BAB Books - Online Stories for Kids
The Advanture of Banph

Free Worksheets:

RHL School - Free Learning Resources
Reading Comprehension Worksheets
English Worksheets
Multiplication Worksheets
Beginning Reading

Worksheet Generators:

Personal Educational Press
Discovery Channel School

Art Sites:

Art Education and ArtEdventures
A. Pintura - Art Detective