A to Z Teacher Stuff Find online lesson plans and resources for all grade levels more easily.
http://atozteacherstuff.com/

ACT for Teachers Help your students prepare for the ACT test.
http://www.act.org/edcareer/index.html

Amazing Picture Machine Search for pictures of different people, places, and things online.
http://www.ncrtec.org/picture.htm

Discovery Teachers Lesson plans, teaching tools, and shopping online.
http://school.discovery.com/teachers/

Education World Find lesson plans and other resources online for any grade level.
http://www.education-world.com/

Educational Pictures This site maintains substantial image databases of K-12 photos and illustrations.
http://www.gotoep.com

Lesson Plans Page Find over 2,000 free lesson plans online.
http://www.lessonplanspage.com/

PBS Teacher Source More lesson plans and resources for teachers.
http://www.pbs.org/teachersource/

Personal Educational Press Print out worksheets and flash cards to help your students learn.
http://www.educationalpress.org/educationalpress/

Pics 4 Learning Find pictures that are categorized by topic.
http://pics.tech4learning.com/

Quia Create activities, quizzes, games, web pages and much more.
http://www.quia.com/

School Notes Put classroom notes online in seconds.
http://www.schoolnotes.com/

Sites for Teachers Find several sites for teachers online.
http://www.sitesforteachers.com/

Teacher to Teacher A resource for teachers who have questions about teaching math.
http://mathforum.org/t2t/

Teacherfiles.com Lesson plans, clip art and links for teachers.
http://www.teacherfiles.com/index.html

Teachnet.com Contains lesson plans, tools, and advice for teachers.
http://www.teachnet.com/

Teachers.Net Lessons, chats, and libraries for teachers.
http://teachers.net/

Teacher Web Type in homework assignments and announcements and they are available to students immediately.
http://www.teacherweb.com/