Free use images for education
http://copyrightfriendly.wikispaces.com/ copyright friendly wiki – masses of images for use in schools
http://www.pics4learning.com/ Pic for learning – a great set of educator friendly images
http://www.discoveryschool.com/clipart - up to ten images with accreditation
http://www.morguefile.com/ Morgue File Free images for your inspiration, reference and use in your creative work, be it commercial or not!
http://www.jamendo.com/en/ Jamendo is a community of free, legal and unlimited music published under Creative Commons licenses.
http://freemusicarchive.org The Free Music Archive offers free downloads under Creative Commons and other licenses. Please visit the track page to discover what you can and cannot do with each track.
http://www.ccmixter.org/ ccMixter is a community music site featuring remixes licensed under Creative Commons where you can listen to, sample, mash-up, or interact with music in whatever way you want. If your students are into sampling, remixing and mash-ups they can use the files from the site to remix, then upload back into ccMixter, for others to enjoy and re-sample.
Sound Effect Sites
http://soungle.com Soungle is a free site for finding all kind of sound FX and musical instruments samples from their online library. Search results of a keyword search are displayed ten to a page. Clicking on play icon allows you to preview a file. Download button instantly downloads the sound effect or musical instrument sample file.
http://www.partnersinrhyme.com/pir/PIRsfx.shtml Partners In Rhyme offer a free collection of sound effects that are in the public domain.
http://www.freesound.org The Freesound Project is a collaborative database of Creative Commons licensed sounds focusing only on sound, not songs.
http://soundbible.com/ SoundBible is an encyclopedia of sound clips, the licence is next to the sound so it is easy to find ones that you can use freely in school.