No photoshop at home? try this app - online photoshop type program PHOTOPEA
A very brief history of Graphic Design
Go to link below for instruction on all aspects of Photoshop CC the software you will be using at OTHC.
http://tv.adobe.com/show/learn-photoshop-cc/
http://makeitcg.com/create-image-inside-text-effect-in-photoshop/534/
http://makeitcg.com/using-masking-in-photoshop/205/
http://makeitcg.com/vector-mask-photoshop/1549/
http://makeitcg.com/photoshop-styles-separate-layers/2549/
http://makeitcg.com/knitted-effect-photoshop/561/
http://makeitcg.com/best-texture-websites/2474/
Creating Images suitable for Photograms
Working with Layers and Masking in Photoshop
these tutorials were for an older Photoshop - instead of using the tick or ok option simply hit enter on current version - other features are the same.
Pick out TWO of your favourite magazine concepts. Find out ONE reason why you like each of the two concepts (eg. colours? layout? text arrangement or patterns?) Combine both reasons together to create a series of FOUR similar magazine developments.