StarChild A - Explore the universe and astronomy with this NASA site.
The Weather Unit - Numerous projects for elementary students.
The Alphabet Super Highway - A great site with a ton of projects showing what other students have done around the world.
The ABC Teach Network - "This is the place for kids, parents, student teachers and teachers." Has games and basics and other fun stuff.
Kid's Corner - Bible Studies for kids
School Express.com - Lots of activities with reading, spelling, math, handwriting ........
Christian Curriculum Cellar - Great site for Christian Teaching books and aids.
Lesson Plan Finder - Loads slowly but really good for lesson plans K-12
Free Lesson Plans - Ed Helper.com - More lesson plans
School Tools - Looks like may be a good source for supplies
Puzzlemaker - Create your own word searches