The image is zoomed when opened from the thumbnail - http://www.reeceslack.com/image/50571464750 ( should look better there)
At my secondary school each lesson block had a different shape to symbol it and the art block was represented by a triangle (dont ask why i found it pretty primary school-ish lol)
I have to say, it's doing nothing for me. Too dark and it's not making me want to do anything designy. LEARN reads as I EARN. It sort of just looks like you went straight to photoshop, threw some text and brushes on a blue background and didn't really give it much thought.
Give it another go!