Hey! I'm just finishing up my first year of the IB and these are my subjects:
HL:
Physics
Art
Psychology
SL:
English
Italian
Maths Studies
I am enjoying the IB generally with how it bonds everyone doing it tightly but it's such hard work and A-Levels get mad with that because they feel they can't complain with how hard IB is. I would say Physics and Art are the hardest subjects for me (especially since I do HL Physics and Maths Studies) but that's because I never understand what exam questions are asking for in Physics and Art just takes up your life if you want to do well. But you're not planning on taking them on for Highers so that's fine.
Also, Maths Standard is very hard. I originally took SL maths but dropped. Initially, there were around 14 of us taking SL Maths and now there are only 5. We found that despite Maths being SL, it took up way too much time with homework and effort put in. We were told that unless you're doing something mathematically based in the future, there's not much point because Studies is much easier and on your certificate it's listed as 'Maths Standard'.
My friends who take Philosophy are loving it so much but somehow it doesn't relate that much to TOK. I find that Psychology relates better to TOK than Philosophy. But yeah, it's a really good course so you should really enjoy it!
Finally, good choice taking English SL hahaha. So far in English I've read around 6 books (4 novels and 2 plays) and I love SL English, the books are interesting and at the moment we're reading 'Candide' by Voltaire which is a laugh. In comparison to HL English, they have to learn 70 poems off by heart and know pretty much everything about them for the exam.
Sorry this is long, I find it a bit too easy to write at length hahaha :/