Answer:attention deficit hyperactivity disorder.
Explanation:This is the disorder that cause a child to act without thinking and mostly do things that may be socially unacceptable like responding inappropriate to the teacher or they can even get violent with the teacher.
It makes the child get bored easily that they may find it hard to pay attention in class or at home and they can not sit longer and focus on one thing so they get diruptive.
These are the signs that we see from the child above,not able to pay attention and also being impulsive.