Kumon Instructor Lihuei Wei is trained and certified through a comprehensive system which ensures that they offer the best in Kumon instruction to each student. She was a high school Math teacher and holds a master's degree in education. Homework and classwork are carefully assessed for speed and accuracy to maintain the right level of challenge and to ensure that mastery is attained as each new skill is introduced. Kumon Instructors work very closely with each individual student and his or her family to create the best study plan possible for the student, whether the need is for remedial help or for advanced study.