Every trouble in a child's life is the result of something. Sometimes, simple unawareness in the childish psychology could cause many uncured psychological complexes and troubles. Every children psychologist suggests that it is better to prevent than to cure.
Too talkative and too silent kids

The children are different. This difference is twice bright at school, in a group. A teacher is to notice that some children are too active and another part of them are very tranquil. Even if a child does not accept his too active or too calm behavior as a trouble, a teacher should care of that. The matter is that the so-called choleric people are too energetic and that is why sometimes they could prevent other children to work productively. They tease, change the activity very often, can not sit half an hour calmly, talk to the neighbor all the time, make the task very quickly or just consider it to be too difficult. It prevents him/her to study well, remember the stuff, focus on the subject, and develop memory skills. So, the task of any adult is to direct his/her energy into the right channel. Give him/her more interesting puzzle, or commit to do a very important task and hint that he/she is an only person who can do it. At school a teacher could arrange the place next to a very well-balanced child, who is inclined to explain and teach,
As for the calmer children who prefer being alone or keeping silence mostly, these kids need attention as well. At school they are afraid to answer the lesson in front of the classmates, even if the task is done at home. The two-sided work is needed in this case. At home parents are to teach a child to be more daring and goal-oriented. They could ask to help about the house, buy something at the shop next door, help with babysitting or something like that. At school such children could devote more time to the independent work rather than answering the lesson in front of the children. If such child is eager to make a report or arrange something at school, give him/her a chance, such wishes are to be cherishes and developed.