anonymousmonkey1010101010
New Member
- Joined
- Sep 29, 2025
- Messages
- 11
- Gender
- Female
- HSC
- 2025
Hi,
I'm really confused on how I should be calculating my predicted atar. I know that you shouldn't put in your internal assesment averages because a hand in essay isn't comparable to a 3 hour hsc exam. With that being said i'm guessing the best way is to put in trial marks.
I get really confused with scaling/moderation/aggregation. Do I put my straight trial marks in? I have heard people say atar calculators like the UAC atar compass are made for aligned marks, not raw, even though they don't disclose that. So do i try and convert them using like raw marks data base or something?
Here is a list of the answers I've gotten trying to calculate it - sorry i'm an overthinker who's really terrible at maths
HSC Ninja (personalised to my school)
Basically I’m trying to figure out which method I’ve done that is the most accurate because im completely clueless and it seems to be ranging from 84.50 - 96.75….
I know there is not method that will be 100% accurate - but what is the tried and true most accurate way to predict this? Is there any method that takes into account - your internal grades/rank, external raw marks prediction, how well your school usually performs, scaling, and aggregation? Like how can I moderate and align my internal marks and then add them to predicted external marks - and also factor in my ranking and how my school usually does. I know there has got to be some stressed maths nerd that has created the formula.
Also, can someone explain scaling vs aggregation and what it applies to. I think im wrong but how im interpreting it is that your internal rank if its like 2nd, you take the hsc/external exam mark of whoever got 2nd in the actual hsc exam - and then this is scaled???? And then your external/hsc mark is scaled/aggregated/modified (still don’t know the difference) - and then the modified internal and external are combined to come up with your ‘hsc mark’ - and then this is further scaled/aggregated/modified??? Or is your ‘hsc mark’ staying the same? Are there any marks that stay the way they are?
I'm really confused on how I should be calculating my predicted atar. I know that you shouldn't put in your internal assesment averages because a hand in essay isn't comparable to a 3 hour hsc exam. With that being said i'm guessing the best way is to put in trial marks.
I get really confused with scaling/moderation/aggregation. Do I put my straight trial marks in? I have heard people say atar calculators like the UAC atar compass are made for aligned marks, not raw, even though they don't disclose that. So do i try and convert them using like raw marks data base or something?
Here is a list of the answers I've gotten trying to calculate it - sorry i'm an overthinker who's really terrible at maths
HSC Ninja (personalised to my school)
- Trial marks: 90.65 ± 1.40
- Internal grade averages: 85.30 ± 0.80
- Trial marks: 90.25
- Internal grade averages: 86.00
- Trial marks: 90.5
- Internal grade averages: 85.55
- Trial marks: 90.90
- Internal grade averages: 85.90
- 96.45
- Trial marks: 96.75
- Internal grade averages: 96.15
Basically I’m trying to figure out which method I’ve done that is the most accurate because im completely clueless and it seems to be ranging from 84.50 - 96.75….
I know there is not method that will be 100% accurate - but what is the tried and true most accurate way to predict this? Is there any method that takes into account - your internal grades/rank, external raw marks prediction, how well your school usually performs, scaling, and aggregation? Like how can I moderate and align my internal marks and then add them to predicted external marks - and also factor in my ranking and how my school usually does. I know there has got to be some stressed maths nerd that has created the formula.
Also, can someone explain scaling vs aggregation and what it applies to. I think im wrong but how im interpreting it is that your internal rank if its like 2nd, you take the hsc/external exam mark of whoever got 2nd in the actual hsc exam - and then this is scaled???? And then your external/hsc mark is scaled/aggregated/modified (still don’t know the difference) - and then the modified internal and external are combined to come up with your ‘hsc mark’ - and then this is further scaled/aggregated/modified??? Or is your ‘hsc mark’ staying the same? Are there any marks that stay the way they are?
