Students with A levels should generally offer at least 10 Academic Units (AUs). General Paper (GP), Project Work (PW), Mother Tongue Language (MTL) at A-level or Higher MTL at O-level, and other H1 subjects are considered as 1 AU. H2 subjects, including Knowledge and Inquiry (KI), are considered as 2 AUs. H3 subjects are considered as 1 AU. Students with qualifications other than A levels, such as the International Baccalaureate (IB), NUS High School and polytechnic diplomas are also eligible to be considered for PSC scholarships.