My average is in the high 60's for VCE legal studies.

Is it possible to get 33 (as a study score)?


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There have been a lot of questions recently on Merspi about study score calculation so I thought I'd compile some comprehensive research on this topic.

VCE Study Scores

Study score calculation is based on your rank relative to others.

So there is no simple mapping of your SAC and exam scores to a study score.

It's also important to realise that it's relative to how your school does generally (e.g: a 66 in School X is very different to a 66 in School Y).

The Mathematics Behind The Study Score

  • Study scores are percentile based (on a normal distribution)

  • If you're not a maths-centric student who is familiar with normal distributions, imagine a table charting each of the study scores in increments of 5. e.g: 30 = 50th percentile, 40 = 92nd percentile, 45 = 98th percentile, etc.

  • You are ranked based on a weighted sum of your SAC scores and exam scores. These weights are outlined on VCAA's website (e.g. for Legal, the SACs are worth 50% and Exam worth 50% -- you'll have to check that... so if you got 66% in SACs, and hoped to achieve 80% in Exam, your total score would come to 66%50% + 80%50% = 73%)

  • You are then ranked against other scores (e.g. 73% turns out to be better than 80% of students, then you will get a study score of 38 for example, accoridng to the normal distrubition)

  • However, your SAC score of "66%" is not really what your SAC score will be. It will be replaced with an exam score - the one which matches the rank of your SAC score. (e.g. if you come 2nd in your class, then the 2nd best exam score in your school/class/cohort who sat the same SACs will be allocated to your SAC mark) This is why a School X 66% may be more powerful than a School Y 66%.

At the end of the day, the calculation will not really help you understand your study score. Before the exam, a lot is still in the air, so it's best to focus on that, and not to worry too much on your score until it happens!

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