1) SQA Highers: BBBB or more if two sittings. Standard Grades: Biology and Mathematics at Grade 2, English at Grade 3, and a language other than English at Grade 3.
2) GCE A Levels: BBB GCSEs: Biology at Grade B or Science plus Additional Science at Grade B, Mathematics at Grade B, English at Grade C, a language other than English at Grade C.
3) IB: Award of Diploma with 34 points overall and grades 555 in Higher Level subjects. Standard Level: Biology at 5, English at 4, a language other than English at 4, and Mathematics at 4 or Mathematical Studies at 5.