Value added by tuition: A better way to gauge

As alevel is easier than school internal exams, students often improve by 2 to 3 grades from their prelim results even without tuition.

So how to better gauge the value-added by tuition? Using percentile improvement is one way.

Below are some illustrations based on my students’ 2019 alevel results:

1. Student scored 16 percentile in school internal exams before joining tuition. Her school distinction rate in 2018 is 68%. So to be on track for distinction, she has to improve to at least 32 percentile to get A in alevel Student got A in alevel. So there is value add of at least 16 percentile.
2. Student scored S grade in J2 MYE before joining tuition. S grade is around 20 percentile in her school. Her school distinction rate in 2019 is 65.5%. So to get A, she must have improved to at least 34.5 percentile. Student got A in alevel. So there is value add of at least 14 percentile.

Percentile improvement is not easy to achieve. Imagine running the alevel marathon, one has to overtake more than 16% of people along the journey to get A.

Side note: 100% of students who joined my tuition since J1 get A or B in 2019 alevel.

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