Art Today - http://www.arttoday.com/Free access to nearly 200,000 images. If you register for $30 a year you can have unlimited access to more than 1 million images!

Blackboard Icons http://www.massnetworks.org/~nicoley/schools/template/ArtNitchie/blackboardIcons.html

Clip Art Guide - http://www.clipartguide.com/clipart_computer.html
Office and high-school related clip art

Clips Ahoy - http://www.clipsahoy.com/school.htm
The school section includes K-12 graphics, including graduation and prom clips for high schoolers.

Coop's Teacher Graphics - http://www.geocities.com/~susank/gifs6.html
Five colorful pages of elementary-level clip art, including images, headers and backgrounds

CyberBee - http://www.cyberbee.com/bts.html
A great collection of different kinds of school-related clip art.

D & W's Educational Clip Art - http://www.ametro.net/~teachers/school_clipart.html
Ten pages of clip art for teachers.

Discovery School Clip Art - http://school.discovery.com/clipart/
A great section of clip art for teachers including animated graphics

GIFs Now - http://gifsnow.com/
Many animated graphics for teachers

Go Graph - http://www.gograph.com/
400 categories of clip art. It includes monthly thematic collections.

Icon Bazaar http://www.iconbazaar.com/ A great collections of icons.

Kid's Domain - http://www.kidsdomain.com/clip/index.html
Office and high-school related clip art

Math and Symbols Clip Art http://208.183.128.3/instruct/math-symbols.html Clip art for math teachers

Media Builder - http://www.animfactory.com/
A collection of animated GIFs.

Pics4Learning - http://pics.tech4learning.com/pics/index.htm   Copyright Free Images for Education

School Days graphics - http://webclipart.about.com/internet/webclipart/gi/dynamic/offsite.htm?site=http%3A%2F%2Fwww.countrygraphics.com%2Ffreeset13.html Free as well as graphics to purchase. I have used many of the graphics on my homepage.

School Image Gallery http://www.hoxie.org/clipart/clip00.htm The Hoxie 'School Image Gallery' is a collection of school related GIF graphic files for you

Science Clip Art http://www.softshell.com/Resource/FreeArt/Freegifs.html Clip art for science

Teacher Files - http://www.teacherfiles.com/clip_art.htm
Fifteen different categories of educational clip art, including animated images.

Teacher Files - Clipart2 http://www.homestead.com/teacherfiles/clipart2.html A pages of teacher clip art.

Web Graphics http://www.schoolicons.com/eng/index/attention.html Cute graphics and icons