Universities Admission Index

The Universities Admission Index (UAI) was used in New South Wales and the Australian Capital Territory, Australia, as the primary criterion for entry into most undergraduate-entry university programs. It was a number between 0 and 100 (though those below 30 were not reported), occurring in increments of 0.05 and indicating the rounded percentile rank of a student who undertook the Higher School Certificate or ACT Year 12 Certificate with a valid quantity and combination of units of study.

Source: Wikipedia — Universities Admission Index (CC BY-SA 4.0)