Hi Amanda.
I had a few more ideas about what you're currently thinking about, regarding A Level subject combinations, and potential degree courses (which you'll need to go into teaching).
As for teaching as a career, I'd be happy to share some of my thoughts with you, but perhaps that needs to be by DM, rather than on the main board. If that's OK with you, then DM me, and I'll get back to you as soon as.
Happy Easter, BTW!