VCE Scaling Explained

VCE scaling is how VTAC converts each of your study scores into a scaled study score (0.00-55.00) so students taking different subjects can be compared fairly. It adjusts for how competitive a subject’s cohort was – not how hard the subject is. After scaling, a 30 in one subject means the same achievement as a 30 in any other. (Source: VTAC ATAR & Scaling Guide 2026.)

Why VTAC scales scores

Universities need one fair measure across every subject combination. Without scaling, a 35 in a subject full of high achievers would not be comparable to a 35 in a less competitive one. Scaling removes that distortion so no one is advantaged or disadvantaged by what they chose.

Which subjects scale up or down? (2025 figures)

Using the official 2025 Scaling Report, here is what study scores of 30 and 40 became after scaling across the most-studied subjects, together with each subject’s scaled mean and overall direction:

Subject	2025 scaled mean	Study score 30 →	Study score 40 →	Direction
Specialist Mathematics	41.5	43	51	Scales up strongly
Mathematical Methods	34.4	35	46	Scales up
Chemistry	33.6	34	44	Scales up
English Language	32.6	33	43	Scales up
Physics	31.7	32	42	Scales up
Economics	31.2	31	42	Slightly up
Literature	31.0	31	41	Slightly up
Biology	30.5	31	41	About even
Legal Studies	28.6	28	40	Slightly down
Psychology	28.4	28	39	Slightly down
English	28.2	28	39	Slightly down
General Mathematics	27.8	28	38	Scales down
English (EAL)	27.3	27	40	Slightly down
Business Management	27.2	27	38	Scales down
Health & Human Development	26.4	26	37	Scales down
Foundation Mathematics	21.6	20	32	Scales down strongly

Quick answers: Specialist Maths scales up the most (30 → 43); Methods (30 → 35, 40 → 46), Chemistry (40 → 44), Physics and English Language all scale up. Biology is about even (40 → 41). English, Psychology and Legal Studies scale down slightly (40 → 39-40). General Maths scales down (40 → 38) and Foundation Maths the most (40 → 32).

Scaling is recalculated every year, so always check the latest VTAC Scaling Report rather than an old list. The subjects that scale up most also tend to be the hardest VCE subjects. (Source: VTAC 2025 Scaling Report, 11 December 2025.)

The two special cases

Mathematics: the four maths subjects sit in a difficulty hierarchy – Specialist > Methods > General > Foundation – and are scaled against each other as well as against all subjects, with the higher resulting scale used, so students taking harder maths are not disadvantaged. Languages: to encourage language study, each language has about 5 added to its scaled-score average.

The scaling myth

The most common mistake is choosing a subject only because it scaled up before. VTAC’s own advice: a “scaled down” score in a subject you did well in usually beats a “scaled up” score in one you did not. Pick subjects you are genuinely good at and engaged in – that is what produces the high score that scales. Predict your study score for any subject from your class rank. See how it all adds up in our free VCE ATAR Calculator, or read how the VCE ATAR works.

Written by Haobo Zhang (98 ATAR, University of Melbourne Biomedicine), founder of HZ Tutoring. Updated July 2026 for the current VCE study design.

Frequently asked questions

Which VCE subjects scale up the most?

Subjects with the most competitive cohorts – Specialist Maths, several languages and Maths Methods – scale up most, but figures change yearly; check the current VTAC Scaling Report.

Does a high-scaling subject guarantee a higher ATAR?

No. A strong score in a subject you are good at beats a weak score in a high-scaling one.

Why do languages scale up?

Government policy adds about 5 to each language’s scaled-score average to encourage language study.

How often does scaling change?

Every year – it reflects each year’s cohort, published in the annual VTAC Scaling Report.

Does psychology scale up or down?

Psychology scales down slightly. Its 2025 scaled mean was 28.4 (below the state average of 30) – a study score of 30 scaled to about 28 and a 40 to about 39.

Does English Language scale up?

Yes. English Language scales up: its 2025 scaled mean was 32.6, with a study score of 30 scaling to about 33 and a 40 to about 43.

Does General Mathematics scale down?

Yes. General (Further) Mathematics scales down: its 2025 scaled mean was 27.8, with a study score of 30 scaling to about 28 and a 40 to about 38.

Does Biology scale up or down?

Biology is close to even. Its 2025 scaled mean was 30.5, so a study score of 30 stayed about 31 and a 40 rose slightly to about 41.

How much does Specialist Maths scale up?

The most of any maths subject. In 2025 a study score of 30 scaled to about 43 and a 40 to about 51 (scaled mean 41.5).

How much does Maths Methods scale up?

Maths Methods scales up: in 2025 a study score of 30 became about 35 and a 40 became about 46 (scaled mean 34.4).

Scaling rewards a strong raw score – which is exactly what a good tutor is built to produce. If a subject is not landing, weekly 1-on-1 help makes the difference: Specialist Maths, Maths Methods, Chemistry and English tutoring.