*For an Average 17 year old, DSA research shows that about 40 hours of professional training plus additional practice provides the best chance of passing.

All figures assume the pupil has no previous experience. All figures assume reasonable continuity of lessons (at least one, two hour session per week) and no private practice.

The chart must be used as a guide only and there is no implication that any individual should the figures. Some people need more hours than others.