I don't even have a schedule, I'm so unorganised. I study when I feel like it. And I almost never feel like it. I hope I don't fail chemistry + physics :cry:
Exact same with me, I've been the same since forever.
And I end up getting good marks anyways... I still don't know how I do it 
Lucky you then! For me this is what ends up happening:
* Opens chemistry book.
* Reads a paragraph blindly, without honestly thinking it through.
* Views something and looks it up on wikipedia.
* Wikipedia gives a mathy definition of it.
* ..So naturally, follow the links.
* One things leads to another, and I'm on some maths site.
* So I open some maths pdfs, and solve some olympiad problems or something for a few hours.
Before I know it, the day is gone

:x