MrsS, I entirely envy you having the choice. If you feel it will refresh your life, do it.
Today for me: pennies earned = 0, coursework done = 0, parenting points earned = about 5,000,000. Dd to me earlier this evening: "I am sorry for being a turd this week." 
Crem, I think dd has now come to the conclusion that giving up French is the way forward. She has a bunch of misgivings about this, but I have done my best to help her re-frame the whole thing in as positive terms as we can manage and she has had a useful convo with a friend of hers who is also academically able but also has problems with anxiety and who has given up French too. They have made a pact that if they can, they will both do Additional Maths next year instead. I'm saying nuffink about the likelihood of that coming to pass, because it's just about whatever gets dd back on track with tackling the mountain of work. The HoY was encouraging her to come to his after-school maths group and she is already doing after-school chemistry, so with the extra free study periods she will get from giving up French, she will hopefully be able to get on top of her maths, biol and chem. She is still also doing Critical Thinking (which is a pile of old guff anyway). And she can also still do the Extended Project during the summer as she logged a load of voluntary hours at the beginning of the year before everything went pear-shaped. She seems a lot more communicative and a lot calmer tonight than she has done for a while. But I had to put in another hour of yadda-yadda this afternoon to achieve that.
Please oh please let ds stay relatively low maintenance. I would like to say more, but it is unwise. Let's just say I feel quite drained.
I award myself a big, fat medal for modelling grace under pressure today. I have not actually full-on blown my top for more than a month.