Grammar Bytes - interactive grammar exercises with handouts for students and teachers
Web English Teacher - K-12 English Language Arts teaching resources: lesson plans for reading, writing, and speaking on all grade levels
ReadWriteThink - Offers lesson plans, practices, and resources in reading and language arts instruction.
Teaching English with Technology, a resource created to help K-12 English and Language Arts teachers incorporate technology effectively into their courses. Find resources for English and Language Arts lesson plans, activities, projects, games, and quizzes that use technology.
World Languages Lesson Plans from Teachnolgy
Quia - Search millions of games and quizzes created by educators around the world by going to the Shared Activities section.
Discovery Education combines scientifically proven, standards-based digital media and a user community in order to empower teachers to improve student achievement. Free lesson plans written by teachers for teachers
Teaching History is designed to help K–12 history teachers access resources and materials to improve U.S. history education in the classroom
Smithsonian Education resources and information, lesson plans, field trips, and interactive activities based on Smithsonian museum collections and research.
The United States Holocaust Memorial Museum is America's national institution for the documentation, study, and interpretation of Holocaust history
Kathy Schrock's Guide to Everything offers teacher resources, including categorized lists of sites that are useful for enhancing curriculum and professional growth.
edHelper helps you find materials for grades K-12 and special education materials
The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities