‘Students in Class with Teacher Reading’ by Ilmicrofono Oggiono available at https://www.flickr.com/photos/115089924@N02/12212474014/ under a Creative Commons Attribution 2.0. Full terms at http://creativecommons.org/licenses/by/2.0
Middle School Reading' by John Guthrie available at http://en.wikipedia.org/wiki/File:CORI_Middle_School_Reading.jpg under a Creative Commons Attribution 2.0. Full terms at https://creativecommons.org/licenses/by-nc-sa/2.0/
'Happy Young School Boy Surrounded By Books' image courtesy of photostock at FreeDigitalPhotos.net
'Coloured Jigsaw Puzzle' and 'Pencil Marking Paper' images courtesy of Pixabay