first of all, I'd like to say that I really enjoy your videos! they're very well filmed and edited :-)
I'm a year 12 student revising for my as levels at the moment so this is the second consecutive easter holiday I'm spending doing revision! I remember last year for my GCSEs I never made a timetable, and to be honest I didn't revise as early and as much as I wanted to. I had so many exams to revise for that for some the only revision I did was reading the textbook the night before. however, I did end up with all As and A*s, but it wasn't fun at all and it was a very stressful experience.
my advice would be use a timetable, a daily list, whatever is going to keep you on track. don't compare what you're doing to others, just work at your own pace, as long as you're going to be feeling confident by the time exams come around. but at the same time, while it's great to have a schedule, don't beat yourself up if you don't stick to it - remember self-care!! if you're feeling a little down or tired don't push yourself - take a break, drink some water. it'll be the best thing to do in the long run. another important thing is to make sure that you're only revising what you'll really need. take a look at the specifications for each of your subjects by going on the exam board website - then you can print them out and use them as a checklist!!
if you'd like any more specific help, just let me know! particularly with english, that's my specialist subject :-)