The Internet has tons of informational blogs and wikis that are useful for teachers. Most of these sites are designed by teachers and provide some of the most up-to-date information on education and educational technology. Here is a list of 25 blogs and wikis for teachers to explore:

So You Want To Teach - This blog offers teachers practical information for becoming a better teacher while impacting students lives in positive ways. Within this blog, teachers can find helpful hints, tips, and articles for successful teaching.

I Want to Teach Forever - I Want to Teach Forever provides useful information, ideas, and inspiration for use inside and outside of the classroom. Postings on this educational blog include lesson plans, articles, and useful information for increasing productivity and organizing your life.

The Cool Cat Teacher - Created by Vicki Davis, a self proclaimed technology geek, The Cool Cat Teacher Blog provides information about teaching through high-tech online tools. Visitors of this blog will also find a podcast, presentations, and wiki information.

Teachers 2.0 - Teachers 2.0 is an online community of educators working together to educate students in the digital age. This blog works towards educating teachers to make a difference in student's lives through technology.

Free Technology for Teachers - This blog reviews free online technology resources for the classroom. Teachers can also use this site to get education technology ideas.

Teacher Tech Blog - Updated weekly, Teacher Tech Blog is a great resource for teachers to find ideas, articles, and technology for use in the classroom.

Teaching Challenges - Teaching Challenges is an online blog that offers technology resources for use in education. This blog features a podcast, tech tips, classroom resources, and much more.

Successful Teaching - This blog provides information and ideas for creating a successful teaching environment for all grade levels and areas. Within this blog, teachers can find information on using technology, educational regulations, teaching information, and other helpful resources.

Technology Teacher - Teacher Technology is a blog created for teachers looking to incorporate technology into their classrooms and lives. The blog features technology resources for Twitter, wikis, Google apps, and much more.

The Teacher Toolbox - The Teacher Toolbox is an educational blog that provides tech information to teachers. This blog features articles and tips on everything from 3D software to writing.

Second Life in Education - Second Life in Education is an educational wiki that provides information about the educational uses of the virtual world Second Life.

TeachPaperless - This blog is designed to help teachers move their classrooms into the digital world. TeachPaperless posts regularly on aspects of digital, paperless, and technology in relation to education.

Joel Zehring - Joel Zehring, a sixth grade teacher, has an educational blog that helps teachers find edutech resources. This blog provides useful information about wiki's, learning tools, and increasing productivity through free online tools.

On Blogging and Social Media - This blog provides useful resources for educators who want to start using blogging and social media to enhance their life in and out of the classroom.

Teacher in a Strange Land - Teacher in a Strange Land is a blog from a 30-year teaching veteran. The blog provides useful information on books, ed policy, effective teaching, games, music, technology, and more.

Remote Access - Remote Access is a blog that provides teachers with articles and presentations about classroom 2.0 and its possibilities in learning. This blog also features an educational wiki with slideshares, digital handouts, recordings, and other educational resources.

Twitter4Teachers Wiki - This wiki is designed to help educators seek out and find other educators who are currently using Twitter.

Teaching Hacks.com - This blog and wiki provides teachers with valuable resources that can be used within the classroom or for professional development. Teaching Hacks.com features information about collaboration, conferences, curriculum ideas, internet safety, leading learning, and much more.

Open Educator - Open Educator is a blog that offers information on integrating technology into the classroom. The blog features useful information specifically for educators on blogging, interactive whiteboards, mobile technology, problem-based learning, and web 2.0.

The Open Classroom - The Open Classroom is a blog created by Jo McLeay, a member of the Victorian Information Technology Association. The blog reflects on several aspects of learning, teaching, and technology.

Teach 42 - This blog provides useful tips and resources to help teachers integrate technology in the classroom.

The Tech Savvy Educator - The Tech Savvy Educator is made up of a community of educators looking to provide a practical guide that teachers can use to effortlessly introduce technology into their classroom. This community shares a passion for technology that they hope to offer to other technology loving teachers.

Dynamite Lesson Plan -This blog provides reviews, resources, and discussion for classroom management and teacher education. The Dynamite Lesson Plan offers several categories and discussions on everything from assessment in education to the teaching profession.

EduTech Wiki - The EduTech Wiki is a great resource for education technology research and teaching. This wiki provides teachers with resources, tools, and information to use inside and outside the classroom.

Teaching with Thinking and Technology - This wiki was created to provide teachers and students with resources and ideas for using the web more effectively for education. Within this wiki teachers can find information on blogs, digital portfolios, exploring web 2.0 apps, and podcasting.

Guest post from education writer Karen Schweitzer. Karen is the About.com Guide to Business School. She also writes for OnlineClasses.org.