Please give me an Atar Estimate (1 Viewer)

[Buslaw]

Modern History: 6/34
History Extension: 1/5
IPT: 1/17
Studies of Religion 2 Unit: 9/30
Business Studies: 9/68
English Advanced: 81/95

My school ranked low 90s last year.

 

[Green Yoda]

74.2

 

[Orwell]

74.2

No offence, but I'm just curious as to why that is? Aside from English, his other ranks are fairly okay. Additionally, his school rank is pretty good too. Unless, of course, English has that much of a bearing on the Atar?

I was thinking more around 84 to be honest.