I am in a similar situation, so maybe my experiences may help you somehow. In the past two years I've developed an intense appreciation/interest in the sciences. During high school I was afflicted with an apathy for all my classes, so obviously my maths/sciences suffered (I did the bare minimum...
I liked this guy's approach to teaching maths, maybe his talk will give you some ideas.
http://www.ted.com/talks/dan_meyer_math_curriculum_makeover.html