Choosing senior secondary subjects in Australia
The Year-10 subject-choice decision is one of the more consequential moments in Australian schooling, and one of the most poorly served by neutral information. Most "best subjects" content is published by tutoring companies optimising for sign-ups. This guide is the framework I wish my own family had when we made the decision.
The single most useful idea I can give you on subject choice: pick subjects you will actually engage with for two years, then check that they include at least one mathematics, at least one English, and any subjects your prospective university courses formally require. Do not let scaling pattern be the primary input — it is the third or fourth factor, not the first.
Choose your state
Choosing HSC subjects
Year-11 subject selection for NSW. Units, Extension subjects, mandatory English, scaling pattern.
Choosing VCE subjects
Year-11 subject selection for VIC. Unit 3+4 acceleration, English requirement, SACs, scaling.
Choosing QCE subjects
Year-11 subject selection for QLD. General vs Applied, the 4+1 rule, English prereq, IA structure.
The framework — applies to every state
Step 1 — start with prerequisites
If you know what you want to study at university (medicine, engineering, law, design, etc.), look up the prerequisites now. Many university courses still have hard subject prerequisites (e.g., Mathematics Methods or Specialist for engineering at most G8 universities; Chemistry for some medicine programs; English Advanced for some humanities pathways). A locked-in prereq is much more decisive than scaling pattern.
If you don't know what you want to study, that's fine — keep your options open. The default-keep-options-open subject mix is: an English subject (required), a Mathematics subject (recommended even if not required by your eventual course), one science, one humanity. Beyond those four, take what you'll engage with.
Step 2 — pick subjects you'll engage with for two years
The single biggest predictor of your ATAR is not which subjects you take but how well you do in them. Engagement is the strongest predictor of doing well. A student who hates Specialist Mathematics and grits through it to a study score of 25 will get a worse scaled score than the same student getting 35 in a subject they enjoy. Scaling is real but it is not a free lift.
Step 3 — only then check scaling
Scaling matters for borderline ATAR decisions at the top end of the distribution. For a student aiming at 95+, picking subjects with a strong scaling pattern (Specialist Maths, English Advanced/Literature, Languages at high-fluency level, top-tier sciences) is a genuine multiplier on aggregate. For a student aiming at 70–85, scaling is mostly noise — what matters is whether you can perform consistently across 4–5 subjects.
The scaling pages on this site (NSW, VIC, QLD, WA) show 2024 figures from each state's tertiary admissions centre.
Step 4 — design a realistic 4+1 (or 5+1) load
Most ATAR-eligible students take more units than the minimum, then drop their weakest contributing subject for the ATAR calculation. Plan for one "insurance" subject — something you'll enjoy that scales well enough that, if you nail it, becomes a real boost; if you don't, you drop it. Common insurance picks: Continuers languages (high scaling), Music 2 (high scaling for students with the background), Extension/Specialist subjects (high scaling but high effort).
Step 5 — talk to your school's careers advisor and current Year 12s
Your school knows the marker expectations for each subject. Year 12 students who just sat the exam know which subjects had the hardest exams that year. Both are higher-signal inputs than anything you'll read online — including this site.
The two big myths
Myth: "Specialist Mathematics scales up so I should take it"
Specialist Maths scales up because the candidature is dominated by strong students who perform well across all subjects. If you are not in that candidature, Specialist Maths does not scale you up — it scales you down relative to the cohort you're in. The scaling boost goes to students who are at the upper end of the Specialist candidature, not to everyone who picks it.
Myth: "I should pick easy subjects to maximise my ATAR"
The opposite is also a trap. "Easy" subjects often have a low scaled mean, which means a strong raw mark gets scaled down. The right framing is not "easy" vs "hard" — it's "where can I land in the top decile?" If that's Specialist Maths for you, take it. If that's Visual Communication Design, take that.
Where ATAR actually comes from
Three layers, in order of decisive importance:
- Your performance in each subject relative to the cohort taking that subject. Your percentile rank within each subject is the input.
- The scaling adjustment applied to your raw mark based on how your cohort performed across all their subjects.
- The aggregate-to-ATAR conversion table for that year, which maps your scaled-aggregate sum to a percentile rank in the state's Year-12 population.
Use our ATAR scaling calculator to test specific subject + raw-score combinations against the 2024 figures.
Use the per-subject pages
Every senior-secondary subject we publish data for has a dedicated page with the 2024 scaling distribution + tutor-rate context + scaling-pattern reading. Browse by state: