History Extension HSC Scaling 2026 (NSW)
Under UAC’s 2025 HSC scaling, History Extension had an average scaled mark of about 32.7 per unit (out of 50), scaling higher than 80% of NSW HSC courses. At the median, students had an HSC mark of 41 per unit and a scaled mark of 32.9. Scaled marks — not raw HSC marks — are what UAC adds up to build your ATAR.
History Extension scaling table (2025 UAC)
HSC and scaled marks at each percentile, per unit (out of 50). A 2-unit course contributes twice these marks to your 10-unit aggregate.
| Percentile | HSC mark /50 | Scaled mark /50 |
|---|---|---|
| Top 1% (99th) | 48 | 47 |
| Top 10% (90th) | 47 | 42.7 |
| Top 25% (75th) | 45 | 38.1 |
| Median (50th) | 41 | 32.9 |
| Bottom 25% (25th) | 37 | 27.6 |
What this means for your ATAR
Your ATAR is built from your best 10 units of scaled marks — your best 2 units of English plus your best 8 units. History Extension scales well: its average scaled mark of 32.7 is higher than 80% of NSW HSC courses, so it tends to pull your aggregate up relative to lower-scaling courses.
See how the HSC ATAR is calculated for how these scaled marks are combined into your aggregate.
History Extension scaling FAQ
Figures are per unit (out of 50) from the UAC Report on the Scaling of the 2025 NSW HSC (Table A3). UAC publishes these as percentile statistics, not a mark-to-scaled conversion table — for any HSC mark there is a range of scaled marks. Re-stamped when UAC releases the new report each year.