Hi,


It is a misconception that the maximum aggregate is 300 (Total ÷ 400 X 0.75). In fact, there is no such thing as a maximum aggregate. You can go to this website which provides a full explanation of how the PSLE T-Score is calculated with examples:

http://road-to-psle.blogspot.sg/2007/11/how-psle-aggregate-and-t-scores-are.html