Links to original lesson plans written by teachers. Browse lesson plans by grade and subject. Compiled by DiscoverySchool.com.

Organized by broad subject areas, includes over 2,000 lesson plans are submitted by teachers.

Links to over 27,000 lesson plans organized by broad subject areas. Sponsored by Teach-nology, a web portal for educators. Be wary of many pop-up ads from this site.

Links to lesson plans organized by broad subject areas. Compiled by the Mid-continent Research for Education and Learning.

A collection of over 2,500 lesson plans, primarily at the elementary level. Organized by broad subject areas and then by grade levels. Developed by Kyle Yamnitz, students, and faculty at The University of Missouri.

Provides access to lesson plans created by MarcoPolo Partners plus Partner reviewed materials. Searchable by broad subject catagories, grade level, and keyword.