1) SQA Highers: BBBB or more if two sittings to include two of Geography, Geology, Biology, Chemistry, Physics or Mathematics. Standard Grades: English at Grade 3, a language other than English at Grade 3 and Mathematics at Grade 3.
2) GCE A Levels: BBB to include two of Geography, Geology, Biology, Chemistry, Physics, Mathematics. GCSEs: English at Grade C, a language other than English at Grade C and Mathematics at Grade C.
3) IB: Award of Diploma with 34 points overall and grades 555 in Higher Level subjects to include two of Geography, Geology, Biology, Chemistry, Physics, Mathematics. Standard Level: English at 4, a language other than English at 4, and Mathematics at 4.