Every student learns at a different pace. For this scale, I assume an average-talented but motivated student who practices regularly (almost every day for about 30 minutes).

Under these conditions, a student can expect to reach the next level after roughly six months (half a year = half a star), meaning that all 20 levels can theoretically be completed in about ten years.

The first levels (Complete Beginner and Beginner) can usually be progressed through much more quickly than indicated here. Reaching the highest levels (Very Advanced and Expert), however, requires considerable effort, persistence, and dedication.

The level assigned to a piece refers to the ability to perform it in concert, at a typical tempo and without major mistakes. Students often attempt pieces that are well above their actual level and may feel that they can already play them. In reality, they are often playing significantly below the intended tempo or leaving out notes, difficult passages, or even entire sections.