That's what I do. As a hobby, I think it is better to teach in small classes if conditions permit, even if I can't pass the exam. The fewer people, the better. Individual counseling is the best. Although this kind of class is expensive, as long as you find a responsible and good teacher, you will make rapid progress. I once studied in a class of about 10 for three years, with little gain. Later, I tutored one-on-one with my teacher for three months, and my level improved rapidly. Now I can basically play all the songs in grade 6. Although it is a little expensive, it is relatively more practical. Think for yourself according to the situation.