1) SQA Highers: ABBB-AAAA or more if two sittings, to include two of Biology*, Chemistry*, Mathematics*, Physics*, Geography, Geology; with Standard Grade Mathematics at Grade 2 (*include at least one).
2) GCE A Levels: ABB-AAA at one sitting, to include two of Biology*, Chemistry*, Mathematics*, Physics*, Environmental Studies, Geography, Geology; with GCSE Mathematics at Grade B (*include at least one).
3) IB: 32-37 points overall and award of IB Diploma to include two of Biology*, Chemistry*, Mathematics*, Physics* or Geography (*include at least one) at HL Grade 5 and one subject at HL Grade 5.