The main measure for predicting students' success at university is their score on the tertiary entrance examinations. In Western Australia this gives equal weight to students' marks in either four or five subjects. Alternative weighting schemes for predicting the academic success of students at the University if Western Australia are considered. While the alternatives examined have better predictive capability than the Tertiary Entrance Score in many instances, the advantages in this regard are minor, and do not seem to match the disadvantages that the alternatives entail.