A wiki is a website which can be edited by one or more people. The wiki creator decides if he or she will invite others to collaborate on the site. PBworks is a popular wiki platform, offering free wikis (which they call workspaces) to educators. Having a simple-to-use and easy-to-update website for a project, classroom, or school allows teachers and students to focus on the content of the site, not the technology.

Since wikis are websites, they are used for communicating and posting just about anything. From wikis full of icebreaker activities to wikis for third graders studying simple machines, these quick-to-setup websites are all the rage. Check out some of the sample wikis below. Notice how wikis can contain text, links, images, movies, PDF downloads, and more. 

Wikis for Teachers

• Wiktionary - Free dictionary that almost anyone can edit

• Teampedia - Team building activities and ice breakers

• TeachWeb2.0 - Analysis of dozens of web tools for education

• Skype in Schools - A place for those looking to connect with other classrooms

• Web 2.0: Cool Tools for Schools - Websites listed by what they can do for you

• Web 2.0 That Works - Marzano's Classroom Instruction That Works & web tools

• K-7 Mathcasts - Library of over 500 projects

• The Kids Open Dictionary Builder - Students contribute to the dictionary

• EduWiki.us - Wiki for educational technology

• Copyright Confusion - Resources by law professors for teachers

Classroom & School Wikis

• Educational Wikis - Listing of dozens of classroom wikis

• Arbor Heights Elementary School - Seattle, Washington, entire school site is a wiki

• Mrs. Abernathy's Global Gorillas - Greenville, Pennsylvania, 5th grade

• Apalachee High School Media Center - Information and links from the school's media center

• Ms. Weber's Class Wiki - California, 2nd and 3rd grades

• Mr. Sheehy's English Wiki - English class creates content for the web together

• Falcon Films  - Showcase for projects created by students at Clearfield High School

• Terry the Tennis Ball - "Choose Your Own Adventure" story by third and fourth graders in Australia

• Geometry Honors - Ms. Schmitz's wiki for her classes

• Young Da Vincis - Mr. Kennedy's class invention project

Science & Math Wikis

• Free Science Stuff for Teachers
• CESA 5 Math-Science Partnership Teacher Resources
• Mr. Bergmann's Science 8 Wiki
• Mr. Klein's Science Classes
• Team 8 Blue Saves the World - 8th graders learn about alternative energy
• Follow Me Maths
• LMATH Algebra and Geometry Classes