These illustrationsand photographs are free for any kind of educational use –
You can use these images for educational purposes without worrying about cost or copyright.
Clip Art linked to US school topics.
Provided FREE for educational use. Teachers can use them for worksheets, Lesson Plans, Quizzes, Web sites, and other classroom needs. Students can use them for their homework assignments and Web sites too. When using clip art please provide a link back to giving credit for the clip art used.

East Riding Media
Images from East Riding RBC.
The resources are copyright-free, and may be used to illustrate your teaching and non-commercial educational activities, but wherever possible please acknowledge the source of the material as being
Images linked to US education
Pics4Learning is a copyright-friendly image library for teachers and students. The Pics4Learning collection consists of thousands of images that have been donated by students, teachers, and amateur photographers. Attribution required.
A picture search engine with family friendly filtering. Dealing with copyright is left to the user.

Thousands of royalty free photos for websites, newspapers, magazines, video and TV productions, iPhone applications, PowerPoint presentations, forums, blogs and school work.
Attribution required.

BBC – Class Clips
Class Clips provides rich audio-visual material for use in primary schools, secondary schools and colleges. These short videos have been selected to match the curriculum. They can be used in many ways; from the stimulation and engagement of students to the delivery of very specific learning points. The material is drawn from the Learning Zone and elsewhere in the BBC.
Currently, the clips in the library are streaming format only. Therefore, it is not possible to download them to your machine.

No attribution necessary:
‘All images are really free and they can be used in your commercial projects without permission or credit from the photogrpaher. Although selling prints, selling the images directly or claiming the photo is yours is prohibited. ‘

Millions of images, searchable. Advanced search allows you to limit search to creativecommons licensed content which can be used for noncomercial content with attribution.