I know it's only year 11 but if I can get an approximate with these ranks -
2u Maths - 2/25
X Maths - 3/9 (screwed it up but will improve)
adv English - 2/25
X English - 3/5
economics - 1/12
chemistry - 2/5
physics - 1/9
School rank, I think ~600 haha.
Thanks.