Lack of concentration is a big deal. Only when children get rid of this problem can their academic performance be improved. Urumqi Xue Hai Education and Training Center is not bad. Some time ago, my children started school, and I went to find out. How can I put it? Compared with other institutions, its advantage is that teachers are always on the job and management is formal. This is a big institution. The most important thing is that there are too many students, so we have to wait for class. However, their curriculum is very scientific. I suggest you try, don't just hear about it.