"Since I started learning Japanese from Ishibashi-sensei a little more than a year ago, I have made more progress than I could have imagined. Not only did I have a pleasant and enjoyable time studying the fascinating Japanese language, but also Ishibashi-sensei did his best to introduce Japanese culture to me, which too is very important. This has inspired me to continue to study Japanese, and I look forward to learning more from him. I have found that there is a great deal to be gained from one-on-one tuition from a remarkable teacher, even in a short period of time."
Around half of the students which I teach in this manner are complete beginners whilst the other half have previous experience of learning in a formal classroom situation but did not continue as either they found the course unsuitable or that the timings were inconvenient for them. By arranging to be taught in your home or in your workplace, you can fit your learning into your life as opposed to arranging your life to suit your learning.
Learning in a group can have some advantages as you will be able to practice with your co-students - helping and learning from others can stimulate your learning and make it more interesting. Either you can form your own small group e.g. with friends or partners or I may be teaching other students of similar levels which would be interested in joining you. There are naturally cost advantages to be considered as well.