Ah, yes, I see, you wrote it on the assignment sheet as well.
Jumping IME usually occurs when the pressure sensitivity is too low, so one has to push the stylus too hard, which works against good pen control. You might want to try adjusting the pen pressure settings in the tablet driver and/or the brush settings in the software you're using. My settings look like this:
Pen pressure sensitivity
Brush settings (for 99% of my brushes)
