A Teacher Aide assists a classroom teacher in dealing with a large number of children. He/She or she helps engage children's attention through one-on-one activities or group exercises. These are part of the integral lesson plan created by the teacher. They might be involved in helping the teacher design the lessons and activities or provide support for dealing with children with special needs.
Teacher aides help manage outdoor games and physical activities or assist with extra activities such as physiotherapy. Sometimes they are responsible for extra classes, like teaching a foreign language. They administer medication to students who need it and help with requests regarding personal hygiene.
Part of the responsibilities of a teacher's aide is to monitor and discuss the child's progress with the parents and other teachers.