Atar estimate pls (1 Viewer)

[swagster0906]

Hey guys can you pls give an atar estimate based on my prelim rankings, and if possible what I should be looking at to improve on for yr 12 and by how much.

School rank: 86

Adv eng: 54/108
General maths: 8/72
Business studies: 6/69
Chemistry: 47/66 (pathetic I know...probs not even going to count towards the atar :/ )
Economics: 1/32
Modern history: 19/34