What is T-Score? how is T-Score calculated?

By: MOE    

A P6 student's Aggregate T-Score in PSLE indicates how well he/she has performed on average in all four subjects relative to his/her peers and is used specifically for the purpose of determining the priority of admission to secondary schools and the eligibility/fit for the different secondary school pathways available.

For standard subjects, the following formula is applied:

  • where x is the candidate’s mark for the subject Q
  • m is the average mark (mean) scored by all the candidates
  • s is the spread of the marks around the average mark (standard deviation)
  • The Aggregate T-Score is calculated by adding all the T-Scores for the examinable subjects taken by the candidates.

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