Best Subjects for a High ATAR
The exact combination that maximises your score, tailored by career goal — and the honest truth about when scaling becomes a trap.
The best subjects for a high ATAR are the highest-level subjects you can confidently score well in. Universally, the most mathematically powerful combination is Specialist Mathematics or Maths Extension 2 (highest scaling), Mathematical Methods or Maths Extension 1, English Advanced, Literature, or English Language (to avoid negative English scaling), and Physics or Chemistry. However, if you cannot achieve a strong raw mark in these subjects, they will destroy your ATAR. Raw performance always overrides scaling potential.
The Uncomfortable Truth About “Best” Subjects
There is no magical subject that guarantees a high ATAR. There is only a mathematical reality: your ATAR is determined by the intersection of your raw performance and the scaling applied to that performance.
The internet is full of students asking “what scales the best?” as if finding the right combination of letters on a subject selection form will automatically yield a 95.00. It won’t. A student who scores in the bottom 20% of Specialist Mathematics will get a lower ATAR than a student who scores in the top 5% of Business Studies — despite Specialist Maths scaling 15 points higher.
So why do guides like this exist? Because once you establish your capability level, scaling becomes the deciding factor. If you are equally capable of scoring an 85 raw in Physics and an 85 raw in Business Studies, Physics will contribute significantly more to your ATAR. The “best” subjects are the ones where high scaling and high raw performance overlap.
Choosing a subject purely because it scales well, despite struggling with the content. You cannot outsource a bad raw score to a scaling algorithm. If you are failing Extension Maths, the scaling will not save you — but the hours you wasted struggling with it will drag down the subjects you were actually good at.
The ATAR Maximisation Blueprint (The Core 4)
For students aiming for an ATAR of 90.00 or above, your primary four subjects (or 10 units in NSW) need to form a coherent, high-value foundation. Here is the blueprint that yields the highest statistical ATAR outcome for capable students.
Mathematics is the single most powerful scaling lever in Australia. Specialist Mathematics (VCE) or Maths Extension 2 (HSC) scales the highest. If you can handle it, do it. If not, Mathematical Methods / Extension 1 is the mandatory minimum for a high ATAR strategy. Dropping to General or Standard Maths sacrifices 5–10 points of scaling per subject.
English is compulsory and counts as a primary subject everywhere. English Advanced, English Language, or Literature scale positively or neutrally. Standard English scales negatively. For an ATAR above 90, Standard English creates a mathematical deficit that is almost impossible to overcome with your other subjects.
Physics and Chemistry are taken by academically strong cohorts and scale well. They also keep university doors open for engineering, science, health, and technology. If you have to choose one, Chemistry keeps more health science pathways open, while Physics keeps more engineering pathways open. Both are excellent ATAR choices.
Your fourth primary subject should be your highest-raw-scoring remaining subject. For some, this is Biology, Economics, or a second Humanities subject. For others, it’s a second Maths or Science. The key is that this subject has a high raw score — even if its scaling is only moderate, a raw 90 here is worth more than a raw 70 in a high-scaling subject you struggle with.
Best Subjects by Career Goal
Your career goal should dictate your subject choices because prerequisites override scaling strategy. It doesn’t matter how well a subject scales if you don’t meet the prerequisite for your target degree.
| Career Goal | Must-Have Subjects (Prerequisites) | Best Scaling Add-Ons |
|---|---|---|
| Medicine / Health Science | Mathematical Methods, Chemistry, Biology (usually) | Physics (scales better than Bio, keeps engineering backup). If aiming for a top medicine ATAR, consider taking all three sciences. |
| Law | English Advanced/Extension or Literature (highly recommended) | History, Legal Studies, Economics. Note: Law ATAR requirements don’t mandate specific subjects beyond English, so maximise scaling with Methods or a Language if possible. |
| Engineering | Mathematical Methods + Specialist Maths / Ext 1, Physics | Chemistry (useful for chemical/civil engineering and scales well). This is the most naturally high-scaling subject combination available. |
| Commerce / Business | Mathematical Methods (prerequisite at most Go8) | Economics (scales moderately well, directly relevant), English Language/Literature (scaling bonus over Standard English). |
| Nursing / Allied Health | English (any level, though Advanced preferred), Biology (assumed) | Mathematical Methods (scales well, keeps options open), Chemistry (if capable, for pharmacy/radiology pathways). |
| Arts / Design / Humanities | English (any level) | Methods (if capable — pure ATAR boost, no prerequisites needed for most Arts degrees), History, a Language (Languages scale well in VCE). |
| Undecided / Keep All Doors Open | Mathematical Methods, English Advanced | Chemistry, Physics, or a Humanities subject. This combination keeps Law, Commerce, Engineering, Science, and Health Science all accessible. |
The Danger Zone: Subjects That Drag You Down
For students targeting a high ATAR, certain subjects carry a significant mathematical penalty. They are not “bad” subjects — they serve important educational purposes. But if your goal is purely ATAR maximisation, they work against you.
| Subject Category | Typical Scaling Impact | When It’s Acceptable |
|---|---|---|
| Standard / Foundation English | −5 to −12 points | Only if you genuinely cannot pass Advanced. If you are aiming for a high ATAR and can survive Advanced, stay in Advanced. |
| General / Standard Mathematics | −5 to −10 points | Only if Methods is causing you to fail. A high raw score in General Maths beats a failing score in Methods — but only in that scenario. |
| VET / Applied Subjects | −10 to −20 points | As a 5th/6th subject (VCE) or 11th/12th unit (NSW) for insurance. Never as a primary 4 subject if you want a high ATAR. |
| Low-Scaling Humanities (e.g., PDHPE, HHD, CAFS) | −3 to −8 points | If you are exceptional at them (raw 40+ in VCE or 90+ HSC mark). The scaling penalty is minimised at very high raw scores. |
If your strengths are in Business, PDHPE, and Standard English, your realistic ATAR ceiling is probably in the 75–85 range regardless of how hard you work. That is not a failure — it is mathematics. If that range doesn’t meet your goals, you need to honestly assess whether you can level up your Maths or English to access higher-scaling subjects, or whether you need to explore excellent courses you can study with a lower ATAR score.
The English Rule: Why This Choice Is Non-Negotiable
English is the only subject that every single student in Australia must complete — and it must count as a primary subject in your ATAR calculation (you can’t shuffle it into a 10% bonus position).
This makes your English level the single most impactful scaling decision you will make, because its weight is guaranteed.
High-Scaling English Options
- English Advanced — Scales slightly down, but acceptable. The standard for ATAR 85+.
- English Extension 1 / 2 — Scales up significantly. The best English choice for ATAR maximisation if you have the skill.
- English Language (VCE) — Scales up. Often the smartest English choice for VCE students aiming high.
- Literature (VCE) — Scales up slightly. A strong choice for capable English students.
Lower-Scaling English Options
- English Standard — Scales down significantly. A raw 80 might become a scaled 68-72. Creates a 5-10 point ATAR drag.
- EAL/D — Scales down, but less than Standard. The best option if you are EAL-eligible and struggling with Advanced.
- English Studies (NSW) — Does NOT count towards an ATAR at all. Only choose if you are not eligible for Standard.
The “Plus One” Insurance Strategy
The minimum number of subjects for an ATAR is typically 4 (VCE) or 5 (NSW, though measured in 10 units). Doing exactly the minimum is a high-risk strategy. Doing one more subject is the smartest ATAR decision most students can make.
Doing Exactly the Minimum (4-5 subs)
- All subjects count at full weight
- No safety net if you have a bad exam
- One bad day can drop your ATAR by 5-10 points
- Higher stress on every single exam
- Saves study time for your core subjects
Doing “Plus One” (5-6 subs)
- In VCE: 5th/6th count for 10% — small but free points
- In NSW: 11th/12th units don’t count, but replace a bad subject
- If you bomb one exam, your 5th subject replaces it
- Lower psychological pressure on each individual exam
- Best insurance subject: something you find easy/enjoyable (even if it scales lower)
A good 5th or 6th subject is one you find relatively easy and enjoyable — even if it scales lower. Why? Because it requires minimal study time (freeing you to focus on your core 4), and if you have a bad exam in your core subjects, a solid raw score in your insurance subject (even after moderate scaling) is infinitely better than having no backup at all.
Defining a “High” ATAR (And What It Actually Requires)
Students often say “I want a high ATAR” without defining what that means. The subject strategy for a 90.00 is completely different from the strategy for a 99.00.
To understand what you’re aiming for, it helps to look at the breakdown of what constitutes a good ATAR across different tiers. But broadly:
- ATAR 99.00+: Requires almost perfect raw scores in the highest-scaling subjects (Spec Maths/Ext 2, Physics, Chem, English Ext). You cannot afford a single low-scaling subject in your primary count.
- ATAR 95.00–98.99: Requires very strong raw scores in high-scaling subjects. One moderate-scaling subject is tolerable if your raw scores are excellent.
- ATAR 90.00–94.99: Requires strong raw scores in a mix of high and moderate-scaling subjects. Standard English makes this very difficult; Advanced is strongly recommended.
- ATAR 85.00–89.99: Solid raw performance matters more than scaling optimisation. A mix of Advanced Maths, one Science, and strong Humanities can get you here.
- ATAR 80.00–84.99: Raw performance is king. Choose subjects you are genuinely good at, even if they scale moderately.
If you are averaging B’s in Year 11, a realistic ATAR goal is probably 80–88, not 95+. Designing a subject combination for a 95 ATAR when your capability suggests 85 will lead you to overcommit to difficult subjects, score poorly, and end up with a 78. Match your subject level to your realistic capability, then let scaling give you a 2-5 point bonus on top.
How to Test Your Combination
Don’t guess — calculate. Before locking in your subjects, use an ATAR calculator to model different scenarios.
The testing protocol:
Input the marks you think you are capable of if everything goes well. Note the resulting ATAR.
Drop every subject mark by 5–8 points to simulate a bad exam day. Note the resulting ATAR.
Replace your weakest high-scaling subject with a moderate-scaling subject you are better at. Does your pessimistic ATAR improve? If yes, the swap is worth it.
Calculators use last year’s scaling and assume uniform performance. Your real ATAR will almost certainly be 3-5 points lower than the calculator shows. Plan your course preferences based on this reduced number.
Frequently Asked Questions
Key Takeaways
- The “best” subjects are high-scaling subjects you can actually excel in. Raw performance always comes first; scaling is a multiplier, not a rescue mechanism.
- The optimal core 4: Highest-level Maths + Advanced/Language/Literature English + Physics or Chemistry + your highest-scoring remaining subject.
- English is non-negotiable. It counts as a primary subject everywhere. Dropping to Standard English imposes a 5-10 point scaling penalty that is devastating for ATARs above 90.
- Prerequisites override scaling. Always check what your target degrees require. A perfectly scaled combination that misses a prerequisite is useless.
- Always do one extra subject as insurance. The time cost is small, but the protection against a single bad exam day is enormous.
- Use an ATAR calculator to stress-test your choices — but subtract 3-5 points from the result to account for real-world variance.
- Be honest about your level. Designing a 95+ ATAR subject combination when your capability suggests 85 will backfire. Match subjects to your realistic ability, then let scaling provide the bonus.
Disclaimer: Subject availability, prerequisites, and scaling data vary by state (NSW, VIC, QLD, WA, SA, TAS, ACT) and change annually. The subject names and scaling estimates in this article are generalisations used for educational guidance. Always verify specific prerequisites with your target universities and consult your state’s official scaling report (VTAC, UAC, QTAC) and your school’s careers advisor before making final subject selection decisions.