people who got 9s Watch
I started revising back in September before my exams in June and I certainly overworked myself. I'd recommend that if you do start in September of Y11 that you only make revision resources and go over things you struggle with - no need to try and revise everything!
It got so bad that I had burned myself out by April and thus I didn't revise as hard during GCSEs which may be why I didn't do as well as I had liked, but I'm still happy with my grades. I'd say start proper revision in January but again don't go too excessive with it; make time for friends, extracurriculars and hobbies. After all, your mental health is superior.
I got 5 9s and did very minimal revision throughout year 11, only doing ‘proper’ revision the night before the exams. If you’re getting 7s, 8s, and 9s without revising then this will probably be enough. If you’re getting 6s you’ll want to put in a bit more work.
As for what revision is effective I would strongly advise doing past papers, especially for subjects like maths where similar questions pop up every year.
Don’t overthink GCSEs or you’ll burn out. They’re relatively easy unless you’re struggling to pass.
I suppose that payed off for most things as I got atleast a 7 on most of my subjects, the lowest two being a 5 on English Lan (which you can't really revise for anyway) and a 6 on Biology.
I managed to get an 8 in Business Studies, usually I'd be aiming for a 9 but I ended up running out of time on the final question of paper 1 :/
I ended up with 2 9's, one in Computer Science and the other in Maths. Computer science was also a night before, but maths is the only one I actually revised heavily for on the lead up to exams (because I'm doing further maths next year and couldn't risk getting less than a 7).
Basically, it depends on the person. For me, revision on the night before worked for most subjects. I probably didn't need to revise for maths as much as I did and honestly, I probably should have spent some of that time revising for other subjects.