Kumon focuses on the basic skills needed by students such as grammar, writing skills and critical reasoning ability with the aim of assisting students to develop an understanding of how to reason so as to grasp a particular set of skills. A placement test is given to the student to assess the skill level already mastered and then skills that require development. The age levels accepted are 3 years old through 12th grade. Student work on their own in groups. Tutors are available for any in the group that require help.